US Bridges

FAP-322 (US-51) over Town Branch

Fair

Fayette County, Illinois · .8 MI S I-70 · Structure no. 026200300000000

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-322 (US-51) over Town Branch is a concrete culvert carrying FAP-322 (US-51) over Town Branch in Fayette County, Illinois. It was built in 1962, so it is 63 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 5,700 vehicles a day, roughly 11% of them trucks, projected to reach 6,579 by 2046. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAP-322 (US-51)
CrossesTown Branch
Location.8 MI S I-70
RouteU.S. Route 40
CountyFayette County
StateIllinois
Coordinates38.96748, -89.09327
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span14 ft (4.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic6,579 by 2046
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAP-322 (US-51) over Town Branch built?

It was built in 1962, making it 63 years old in 2025.

What condition is FAP-322 (US-51) over Town Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does FAP-322 (US-51) over Town Branch carry?

About 5,700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is FAP-322 (US-51) over Town Branch?

The structure is 30 ft (9 m) long with a longest span of 14 ft (4.4 m).

Who owns FAP-322 (US-51) over Town Branch?

It is owned by the State Highway Agency.