US Bridges

FAS 331(CH 10) over Stream

Fair

Vermilion County, Illinois · 1.5 MI N of Potomac · Structure no. 092013200000000

Built
1930
95 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
350
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 331(CH 10) over Stream is a concrete culvert carrying FAS 331(CH 10) over Stream in Vermilion County, Illinois. It was built in 1930, so it is 95 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 350 vehicles a day, roughly 8% of them trucks, projected to reach 354 by 2046. The structure is 22 ft (6.8 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesFAS 331(CH 10)
CrossesStream
Location1.5 MI N of Potomac
RouteCounty Highway 0
Coordinates40.33754, -87.80158
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.1 US tons
Inventory rating18.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.8 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic354 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 FAS 331(CH 10) over Stream built?

It was built in 1930, making it 95 years old in 2025.

What condition is FAS 331(CH 10) 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 February 2023.

How much traffic does FAS 331(CH 10) over Stream carry?

About 350 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is FAS 331(CH 10) over Stream?

The structure is 22 ft (6.8 m) long with a longest span of 11 ft (3.3 m).

Who owns FAS 331(CH 10) over Stream?

It is owned by the County Highway Agency.