US Bridges

FAP-322 (US-51) over Ash Creek

Good

Fayette County, Illinois · 3.8 MI S Shelby C L · Structure no. 026009500000000

Built
1988
37 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
128 ft
2 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-322 (US-51) over Ash Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP-322 (US-51) over Ash Creek in Fayette 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 2,800 vehicles a day, roughly 19% of them trucks, projected to reach 2,754 by 2046. The structure is 128 ft (39 m) long and 35 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

CarriesFAP-322 (US-51)
CrossesAsh Creek
Location3.8 MI S Shelby C L
RouteU.S. Route 51
Coordinates39.16361, -89.09887
Functional classRural Principal Arterial - Other

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 inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length128 ft (39 m)
Longest span64 ft (19.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic2,754 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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 Ash Creek built?

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

What condition is FAP-322 (US-51) over Ash Creek 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 May 2022.

How much traffic does FAP-322 (US-51) over Ash Creek carry?

About 2,800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is FAP-322 (US-51) over Ash Creek?

The structure is 128 ft (39 m) long with a longest span of 64 ft (19.6 m) and a deck 35 ft wide.

Who owns FAP-322 (US-51) over Ash Creek?

It is owned by the State Highway Agency.