US Bridges

FAP-322 (US-51) over Hoffman Creek

Fair

Fayette County, Illinois · 5 MI N Vandalia · Structure no. 026002900000000

Built
1954
71 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
53 ft
1 main span
Daily traffic
3,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAP-322 (US-51) over Hoffman Creek is a concrete tee beam carrying FAP-322 (US-51) over Hoffman Creek in Fayette County, Illinois. It was built in 1954, so it is 71 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 6 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 3,800 vehicles a day, roughly 19% of them trucks, projected to reach 3,774 by 2046. The structure is 53 ft (16.2 m) long and 40 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

Open in Google Maps
CarriesFAP-322 (US-51)
CrossesHoffman Creek
Location5 MI N Vandalia
RouteU.S. Route 51
CountyFayette County
StateIllinois
Coordinates39.04584, -89.08864
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span51 ft (15.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2023)
Projected traffic3,774 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 Hoffman Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is FAP-322 (US-51) over Hoffman Creek 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 Hoffman Creek carry?

About 3,800 vehicles per day (2023 count), of which roughly 19% are trucks.

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

The structure is 53 ft (16.2 m) long with a longest span of 51 ft (15.5 m) and a deck 40 ft wide.

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

It is owned by the State Highway Agency.