US Bridges

FAS 1322 CH37 over TR1 B of Trail CR

Good

Iroquois County, Illinois · 0.34 MI E US 52 · Structure no. 038013700000000

Built
1932
93 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete
Length
24 ft
1 main span
Daily traffic
575
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 1322 CH37 over TR1 B of Trail CR is a concrete slab carrying FAS 1322 CH37 over TR1 B of Trail CR in Iroquois County, Illinois. It was built in 1932, so it is 93 years old, older 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 575 vehicles a day, roughly 21% of them trucks, projected to reach 379 by 2046. The structure is 24 ft (7.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1322 CH37
CrossesTR1 B of Trail CR
Location0.34 MI E US 52
RouteCounty Highway 0
Coordinates41.00403, -87.86105
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span23 ft (7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2022)
Projected traffic379 by 2046
Trucks21%
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

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 1322 CH37 over TR1 B of Trail CR built?

It was built in 1932, making it 93 years old in 2025.

What condition is FAS 1322 CH37 over TR1 B of Trail 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 2023.

How much traffic does FAS 1322 CH37 over TR1 B of Trail CR carry?

About 575 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is FAS 1322 CH37 over TR1 B of Trail CR?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns FAS 1322 CH37 over TR1 B of Trail CR?

It is owned by the County Highway Agency.