US Bridges

TR 371 over Pigeon CR

Good

Iroquois County, Illinois · .5M E Ill 49 · Structure no. 038514700000000

Built
1988
37 years old
Condition
Good
inspected September 2022
Type
Channel Beam
Concrete
Length
92 ft
3 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 371 over Pigeon CR is a concrete channel beam carrying TR 371 over Pigeon CR in Iroquois County, Illinois. It was built in 1988, so it is 37 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 371
CrossesPigeon CR
Location.5M E Ill 49
RouteCounty Highway 0
CountyIroquois County
StateIllinois
Coordinates40.50063, -87.88937
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 371 over Pigeon CR built?

It was built in 1988, making it 37 years old in 2025.

What condition is TR 371 over Pigeon CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2022.

How much traffic does TR 371 over Pigeon CR carry?

About 75 vehicles per day (2022 count).

How long is TR 371 over Pigeon CR?

The structure is 92 ft (28 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 371 over Pigeon CR?

It is owned by the Town or Township Highway Agency.