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Historic Bridges: Middlesex County, Ontario

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Special Bridge Conditions Legend
! Confirmed demolition date within one year or an especially historic bridge that is threatened with demolition at any level.
X The bridge has been confirmed demolished or collapsed.
S The bridge has been dismantled or moved to an offsite location and is not currently available for public viewing.
L Most or all of the original bridge material has been demolished and replaced, including historically significant elements, but some original parts of the bridge remain.
Note: This website cannot guarantee the current condition of any bridge on this website. Bridges lacking these icons should not necessarily be considered condition-free.

Total Bridges Found: 31

 Bridge Name HSR Rating Facility Carried / Feature Intersected LocationStructure Type Structure DimensionsConstruction Date / Builder or Contractor DescriptionThumbnail
Ausable Road Bridge
Historic Significance Rating. Ausable Road Over Ausable River Rural: Middlesex County, Ontario Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed Main Spans: 1 By: Hamilton Bridge Company of Hamilton, Ontario A lightweight pony truss bridge built by the Hamilton Bridge Works in the first decade of the 20th century.Click to visit page.
Barklay Boulevard Bridge
Historic Significance Rating. Barklay Boulevard (Old KH-22) Over Sydenham River Rural: Middlesex County, Ontario Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed Main Spans: 1 By: Unknown An abandoned former trunkline pony truss bridge with poor deck condition.Click to visit page.
Blackfriars Street Bridge
Historic Significance Rating. Blackfriars Street Over North Branch Thames River London: Middlesex County, Ontario Metal 16 Panel Bowstring Through Truss, Fixed Total Length: 225 ft
Main Span Length: 225 ft
Main Spans: 1
1875 By: Wrought Iron Bridge Company of Canton, Ohio Among the rarest and oldest bridges in Canada is this breathtaking iron bowstring truss which is the longest span of its kind remaining in all of North America!Click to visit page.
Corner Drive Bridge
Historic Significance Rating. Corner Drive Over Ausable River Rural: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed Main Spans: 1 By: Unknown This classic riveted truss bridge looks nice in its coat of white paint.Click to visit page.
CP Railroad Private Overpass
Historic Significance Rating. Private Drive Over Railroad (Canadian Pacific) London: Middlesex County, Ontario Wood Stringer (Multi-Beam), Fixed Main Spans: 5 By: Unknown An unaltered example of a wooden railroad grade separation.Click to visit page.
CR-74 Bridge
Historic Significance Rating. CR-74 (Westchester Bourne) Over KH-401 Rural: Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 1956 By: Unknown One of a shrinking number of remaining attractive heritage overpass bridges crossing this highway with good historic integrity.Click to visit page.
Dorchester Bridge
Historic Significance Rating. Bridge Street Over South Branch Thames River Dorchester: Middlesex County, Ontario Metal 6 Panel Rivet-Connected Warren Deck Truss, Fixed Main Spans: 1 1923 By: Unknown This bridge is an uncommon example of a highway deck truss in Ontario.Click to visit page.
Dorchester Road Bridge
Historic Significance Rating. Dorchester Road Over KH-401 Rural: Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 1955 By: Unknown One of a number of remaining similar structures, this bridge is both old and unusual as an attractive expressway overpass.Click to visit page.
Elgin Road Bridge
Historic Significance Rating. Elgin Road (KH-73) Over KH-401 Rural: Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 1957 By: Unknown One of a number of remaining similar structures, this bridge is both old and unusual as an attractive expressway overpass.Click to visit page.
Franks Lane Bridge
Historic Significance Rating. Franks Lane Over Railroad (Canadian National) London: Middlesex County, Ontario Wood 2 Panel Kingpost Pony Truss, Fixed and Approach Spans: Wood Stringer (Multi-Beam), Fixed Main Spans: 1 By: Unknown This unusual wooden bridge is a rare example of a kingpost pony truss.Click to visit page.
Glanworth Drive Bridge
Historic Significance Rating. Glanworth Drive Over KH-401 Tempo (Rural): Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 By: Unknown This beautiful vintage overpass stands out among the few surviving bridges of this type because of its skew.Click to visit page.
Kensington Bridge
Dundas Street Bridge
Historic Significance Rating. Dundas Street Over South Branch Thames River London: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Modified Warren Pony Truss, Fixed Total Length: 313 ft
Main Spans: 3
1930 By: Hamilton Bridge Company of Hamilton, Ontario A beautiful three span example of a London pony truss with unusual truss configuration.Click to visit page.
Kerwood Road Bridge
Historic Significance Rating. Kerwood Road Over Au Sable River Rural: Middlesex County, Ontario Metal Deck Girder, Fixed Main Spans: 3 1964 By: Unknown A large deck plate girder built in the 1960s.Click to visit page.
King Street Bridge
Historic Significance Rating. King Street Over South Branch Thames River London: Middlesex County, Ontario Metal 9 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed Total Length: 213 ft
Main Spans: 1
1897 By: Central Bridge and Engineering Company of Peterborough, Ontario A rare example of a pin connected through truss in Ontario; carries a storm sewer underneath.Click to visit page.
London North Branch Railway Bridge
Historic Significance Rating. Railroad (Canadian Pacific) Over North Branch Thames River and Oxford Street London: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal 12 Panel Rivet-Connected Baltimore Through Truss, Fixed Total Length: 753 ft
Main Span Length: 157 ft
Main Spans: 1
By: Unknown Multiple spans, multiple configurations, and one skewed span, make this a bridge both large and fun to explore.Click to visit page.
London South Branch Railway Bridge
Historic Significance Rating. Railroad (Canadian National) Over South Branch Thames River London: Middlesex County, Ontario Metal 7 Panel Pin-Connected Pratt Railing Height Truss, Fixed Main Spans: 1 1899 By: Unknown This bridge is mostly a deck truss - but part of the trusses stick up above the deck making it a bit like a pony also.Click to visit page.
London Thames River Railway Bridge
Historic Significance Rating. Railroad (Canadian National) Over Thames River London: Middlesex County, Ontario Metal 8 Panel Rivet-Connected Warren Deck Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed Main Spans: 2 By: Unknown Setting new standards for massive, this bridge has gargantuan members and connections.Click to visit page.
McAdam Road Bridge
Historic Significance Rating. McAdam Road Over Ausable River Rural: Middlesex County, Ontario Metal 8 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed Main Spans: 1 By: Unknown This breathtaking bridge, tucked away in old Lake Huron dunes displays a rare truss configuration.Click to visit page.
Meadowlily Road Bridge
Historic Significance Rating. Meadowlily Road Over South Branch Thames River London: Middlesex County, Ontario Metal 10 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed and Approach Spans: Metal Rivet-Connected Warren Pony Truss, Fixed Total Length: 285 ft
Roadway Width: 18 ft
Main Spans: 1
1910 By: Hamilton Bridge Company of Hamilton, Ontario London's most secluded truss bridge, this bridge is in poor condition, but is a beautiful structure.Click to visit page.
Mooresville Drive Bridge
Historic Significance Rating. Mooresville Drive Over Ausable River Rural: Middlesex County, Ontario Metal 6 Panel Rivet-Connected Pratt Through Truss, Fixed Main Spans: 1 By: Unknown This bridge has a few unusual details for a bridge of its type.Click to visit page.
Napier Road Bridge
Historic Significance Rating. Napier Road Over Sydenham River Rural: Middlesex County, Ontario Metal 6 Panel Rivet-Connected Warren Pony Truss, Fixed Main Spans: 1 By: Unknown This attractive pony truss is a pleasant suprise for anyone who decides to explore this road.Click to visit page.
New Ontario Road Bridge
Historic Significance Rating. New Ontario Road Over Ausable River Rural: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Stringer (Multi-Beam), Fixed Main Spans: 1 By: Unknown This bridge could use some paint but is otherwise an attractive truss bridge.Click to visit page.
Richmond Street Bridge
Historic Significance Rating. Westbound Richmond Street Over North Branch Thames River London: Middlesex County, Ontario Metal 10 Panel Rivet-Connected Parker Through Truss, Fixed Total Length: 200 ft
Main Span Length: 192 ft
Main Spans: 1
1922 By: Unknown This attractive bridge continues to serve traffic as part of a one-way couplet of bridges.Click to visit page.
River Road Bridge
Historic Significance Rating. River Road Over Ausable River Cut Rural: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Pratt Through Truss, Fixed Main Spans: 1 By: Unknown A beautiful Pratt through truss sits abandoned on old River Road alignment.Click to visit page.
S Sarnia Road Bridge
Historic Significance Rating. Sarnia Road Over Railroad (Canadian Pacific) London: Middlesex County, Ontario Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed Total Length: 90 ft
Main Span Length: 90 ft
Main Spans: 1
1890 By: Unknown This short through truss bridge is a rare example of its kind and has historically and technologically significant details.Click to visit page.
! Strathroy Bridge
Albert Street Bridge
Historic Significance Rating. Albert Street (CR-39) Over Sydenham River Rural: Middlesex County, Ontario Metal 6 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed Main Spans: 1 1937 By: Unknown An attractive warren pony truss that retains original lattice guardrails.Click to visit page.
Thames Street Railroad Overpass
Historic Significance Rating. Railroad (Canadian National) Over Thames Street London: Middlesex County, Ontario Stone Semicircular Deck Arch, Fixed Main Spans: 1 1889 By: Unknown This is a nice stone arch bridge, that is among the oldest of London's bridges.Click to visit page.
University Drive Bridge
Historic Significance Rating. University Drive Over North Branch Thames River London: Middlesex County, Ontario Metal Cantilever Deck Girder, Fixed and Approach Spans: Metal Simple Span Deck Girder, Fixed Main Spans: 1 By: Unknown This unusual bridge is a concrete encased deck plate girder and the center span appears to include a suspended span.Click to visit page.
Victoria Bridge
Ridout Street Bridge
Historic Significance Rating. Ridout Street Over South Branch Thames River London: Middlesex County, Ontario Metal 7 Panel Rivet-Connected Modified Warren Pony Truss, Fixed Total Length: 258 ft
Main Spans: 2
1926 By: Hamilton Bridge Company of Hamilton, Ontario An attractive two-span pony truss with a visible skew.Click to visit page.
X Wellington Road Bridge
Historic Significance Rating. Wellington Road Over KH-401 London: Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 1956 By: Unknown A rare example of its design, the Ministry of Culture recognized this bridge as historic.Click to visit page.
X Westminster Drive Bridge
Historic Significance Rating. Westminster Drive Over KH-401 London: Middlesex County, Ontario Concrete Rigid-Frame, Fixed Main Spans: 1 1959 By: Unknown An extremely unusual variation in Ontario's rigid-frame designs.Click to visit page.

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