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Iroquois 750 Bridge

"TR-323 Bridge"

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Most Recent Visit To Bridge: August 13, 2006

Key Facts

Bridge Name

Type Road Location City Crossing
Iroquois 750 Bridge

Truss

Iroquois 750

Iroquois County, IL

Rural

Little Mud Creek Tributary

Technical Facts

Construction Date

Structure Length Roadway Width
1908 41.3 Feet 15.75 Feet

This is a small three panel pin connected half-hip Pratt pony truss. It features v-lacing on the verticals. The eye bars are of the looped variety. The deck is wood. The bridge is in decent condition, but it has one somewhat serious issue. One of the top chord pins lost the bolt on the outside end of the pin, and the pin has slipped inside the top chord. The pin now sits sticking partially out on the road side of the truss, while the other end rests on the inside of the top chord, barely continuing to hold its diagonal. This fix would be simple, all someone just needs to push the pin back through and throw a bolt back on it.

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