US Bridges

FAP 322 (us 51) over Stream

Good

Fayette County, Illinois · 3 Mi. S. Vandalia · Structure no. 026202200000000

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
3,500
2023 count
Owner
State
State Highway Agency

About this bridge

FAP 322 (us 51) over Stream is a concrete culvert carrying FAP 322 (us 51) over Stream in Fayette County, Illinois. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,500 vehicles a day, roughly 16% of them trucks, projected to reach 3,978 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 54.1 mi (87 km).

CarriesFAP 322 (us 51)
CrossesStream
Location3 Mi. S. Vandalia
RouteU.S. Route 51
Coordinates38.91303, -89.08555
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2023)
Projected traffic3,978 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed54.1 mi (87 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 322 (us 51) over Stream built?

It was built in 2021, making it 4 years old in 2025.

What condition is FAP 322 (us 51) over Stream 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 June 2024.

How much traffic does FAP 322 (us 51) over Stream carry?

About 3,500 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is FAP 322 (us 51) over Stream?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns FAP 322 (us 51) over Stream?

It is owned by the State Highway Agency.