| 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. |
| Bridge Name | HSR Rating | Facility Carried / Feature Intersected | Location | Structure Type | Structure Dimensions | Construction Date / Builder or Contractor | Description | Thumbnail |
11th Concession Road Bridge
|
 | 11th Concession Road (11th Line) Over KH-400 | Rural: Simcoe County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
|
4th Line Bridge
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| 4th Line Over KH-400 | Rural: Simcoe County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
|
5th Side Road Bridge
|
 | 5th Side Road (River Road) Over Drainage Canal | Rural: Simcoe County, Ontario | Metal Stringer (Multi-Beam), Fixed |
Total Length: 76.1 ft Main Span Length: 24.6 ft Roadway Width: 28 ft Main Spans: 3 |
1950 By: Unknown | This bridge is unusual for its use of a timber substructure. | 
|
Boundary Bridge 44
|
 | Simcoe Street Over Talbot River (Trent-Severn Waterway) | Rural: Kawartha Lakes City, Ontario and Simcoe County, Ontario | Metal 10 Panel Rivet-Connected Warren Pony Truss, Movable: Swing (Center Bearing Center Pier) | Main Spans: 1 | By: Unknown | This bridge is an outstanding and increasingly rare surviving example of a riveted swing bridge on this heritage waterway. | 
| ! |
Collingwood Street Bridge
|
 | Collingwood Street Over Mad River | Creemore: Simcoe County, Ontario | Metal 8 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed |
Total Length: 102 ft Main Span Length: 104.6 ft Roadway Width: 14.3 ft Main Spans: 1 |
1913 By: Dumond Contractors of Brentwood, Ontario | At risk for demolition, this beautiful heritage bridge is a noteworthy local feature of Creemore. | 
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Concession Road 2 Sunnidale Bridge
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| Concession Road 2 Sunnidale Over Mad River | Rural: Simcoe County, Ontario | Metal 4 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 1 | By: Unknown | This is a small pony truss on a quiet rural road on the edge of Minesing Wetlands Conservation Area. | 
|
Concession Road 5 Bridge
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| Concession Road 5 Over Nottawasaga River | Rural: Simcoe County, Ontario | Concrete Rainbow Through Arch, Fixed | Main Spans: 1 | By: Unknown | This beautiful concrete bowstring arch bridge is a heritage bridge that appears to remain in good condition. | 
|
CR-169 Bridge
|
 | CR-169 Over East Branch Severn River | Washago: Simcoe County, Ontario | Metal 6 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed |
Total Length: 112.9 ft Main Span Length: 111.2 ft Roadway Width: 44.6 ft Main Spans: 1 |
1956 By: Unknown | This once-attractive pony truss bridge has had all sorts of ugly barriers added to it. | 
| X |
Hart Bridge
|
| Rama Road (CR-44) Over East Branch Severn River | Washago: Simcoe County, Ontario | Metal 7 Panel Rivet-Connected Polygonal Warren Pony Truss, Fixed |
Total Length: 110.6 ft Main Span Length: 108.6 ft Roadway Width: 26.2 ft Main Spans: 1 |
1957 By: Unknown | HistoricBridges.org visited this attractive pony truss bridge only to find it had been reduced to scrap metal. | 
|
KH-89 Bridge
Cookstown Road Bridge |
| KH-89 (Cookstown Road) Over KH-400 | Rural: Simcoe County, Ontario | Concrete Rigid-Frame, Fixed | Main Spans: 1 | 1949 By: Unknown | One of a decreasing number of attractive overpass bridges on Highway 400. | 
|
Little Falls Road Bridge
|
 | Little Falls Road Over East Branch Severn River | Washago: Simcoe County, Ontario | Concrete Closed Spandrel Deck Arch, Fixed | Main Spans: 1 | By: Unknown | This is a small concrete arch bridge on old highway alignment, now in use by pedestrians. | 
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McKinnon Road Bridge
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| McKinnon Road Over Nottawasaga River | Rural: Simcoe County, Ontario | Metal 8 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed | Main Spans: 1 | By: Unknown | This long abandoned bridge and road are hidden far within Minesing Wetlands Conservation Area | 
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Mill Street Bridge
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| Mill Street (CR-90) Over Nottawasaga River | Angus: Simcoe County, Ontario | Metal 13 Panel Welded Parker Pony Truss, Fixed and Approach Spans: Concrete T-Beam, Fixed |
Total Length: 235.1 ft Main Span Length: 162.1 ft Roadway Width: 32.8 ft Main Spans: 1 |
1959 By: Unknown | This extremely bizarre and long pony truss bridge has an unusual top chord configuration and is a rare welded truss in Ontario. | 
| L |
Port Severn Bridge
Bridge 60 |
| Port Severn Road Bridge Over Trent-Severn Waterway | Port Severn: Simcoe County, Ontario | Metal 8 Panel Rivet-Connected Warren Pony Truss, Movable: Swing and Approach Spans: Concrete T-Beam, Fixed | Main Spans: 1 | 1915 By: Hamilton Bridge Company of Hamilton, Ontario | This bridge has a series of concrete t-beam approach spans, but the original riveted swing span was demolished and replaced. | 
|
Talbot Road Bridge
|
| Talbot Road (RR-51) Over Talbot River | Rural: Durham Region, Ontario and Simcoe County, Ontario | Concrete Rainbow Through Arch, Fixed |
Total Length: 72.2 ft Main Span Length: 71.2 ft Roadway Width: 24.6 ft Main Spans: 1 |
1920 By: Unknown | This bridge is an old and outstanding example of a provincial design concrete bowstring arch bridge. | 
|
Upper Big Chute Road Bridge
|
 | Upper Big Chute Road (CR-17) Over North River | Rural: Simcoe County, Ontario | Metal Stringer (Multi-Beam), Fixed |
Total Length: 81.7 ft Main Span Length: 38.9 ft Roadway Width: 24.3 ft Main Spans: 2 |
1948 By: Unknown | This bridge is noted for its use of lattice railing. | 
| ! |
Vigo Bridge
|
| Flos Road 4 Over Nottawasaga River | Rural: Simcoe County, Ontario | Metal 10 Panel Rivet-Connected Double-Intersection Warren Through Truss, Fixed |
Total Length: 148.3 ft Main Span Length: 148.3 ft Roadway Width: 15.1 ft Main Spans: 1 |
1911 By: Hamilton Bridge Company of Hamilton, Ontario | This attractive and well-built heritage bridge has been targeted for likely demolition by Simcoe County! | 
|
Waubaushene Bridge
Duck Bay Road Bridge |
| Duck Bay Road Over Matchedash Bay | Waubaushene: Simcoe County, Ontario | Metal 5 Panel Rivet-Connected Warren Pony Truss, Fixed | Main Spans: 3 | By: Unknown | This three span pony truss bridge is a very unique structure. | 
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