US Bridges

FAP 322(US51) over Stream

Fair

Fayette County, Illinois · 3.5 MI N Vandalia · Structure no. 026010000000000

Built
2000
25 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
4,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 322(US51) over Stream is a concrete continuous slab carrying FAP 322(US51) over Stream in Fayette County, Illinois. It was built in 2000, so it is 25 years old, younger 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 4,300 vehicles a day, roughly 18% of them trucks, projected to reach 4,590 by 2046. The structure is 63 ft (19.2 m) long and 43 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

Location

Open in Google Maps
CarriesFAP 322(US51)
CrossesStream
Location3.5 MI N Vandalia
RouteU.S. Route 51
CountyFayette County
StateIllinois
Coordinates39.02742, -89.09806
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating81.5 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span22 ft (6.6 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic4,590 by 2046
Trucks18%
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(US51) over Stream built?

It was built in 2000, making it 25 years old in 2025.

What condition is FAP 322(US51) over Stream 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 November 2024.

How much traffic does FAP 322(US51) over Stream carry?

About 4,300 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAP 322(US51) over Stream?

The structure is 63 ft (19.2 m) long with a longest span of 22 ft (6.6 m) and a deck 43 ft wide.

Who owns FAP 322(US51) over Stream?

It is owned by the State Highway Agency.