US Bridges

FAS 541(TR 32 A) over Trib Willow Branch

Good

Piatt County, Illinois · 1.75 MI S Allerton P · Structure no. 074324100000000

Built
1988
37 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
125
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 541(TR 32 A) over Trib Willow Branch is a concrete culvert carrying FAS 541(TR 32 A) over Trib Willow Branch in Piatt 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 125 vehicles a day, roughly 13% of them trucks, projected to reach 126 by 2046. The structure is 22 ft (6.6 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesFAS 541(TR 32 A)
CrossesTrib Willow Branch
Location1.75 MI S Allerton P
RouteCounty Highway 0
Coordinates39.95581, -88.64984
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2020)
Projected traffic126 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 FAS 541(TR 32 A) over Trib Willow Branch built?

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

What condition is FAS 541(TR 32 A) over Trib Willow Branch 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 February 2025.

How much traffic does FAS 541(TR 32 A) over Trib Willow Branch carry?

About 125 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is FAS 541(TR 32 A) over Trib Willow Branch?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns FAS 541(TR 32 A) over Trib Willow Branch?

It is owned by the Town or Township Highway Agency.