US Bridges

FAS 1511(CH 20) over Stream

Fair

Vermilion County, Illinois · 3 MI NW Danville · Structure no. 092500500000000

Built
1977
48 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
1,950
2023 count
Owner
County
County Highway Agency

About this bridge

FAS 1511(CH 20) over Stream is a concrete culvert carrying FAS 1511(CH 20) over Stream in Vermilion County, Illinois. It was built in 1977, so it is 48 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 1,950 vehicles a day, roughly 4% of them trucks, projected to reach 1,616 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesFAS 1511(CH 20)
CrossesStream
Location3 MI NW Danville
RouteCounty Highway 0
Coordinates40.20827, -87.67075
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 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 traffic1,950 (2023)
Projected traffic1,616 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1511(CH 20) over Stream built?

It was built in 1977, making it 48 years old in 2025.

What condition is FAS 1511(CH 20) 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 January 2024.

How much traffic does FAS 1511(CH 20) over Stream carry?

About 1,950 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is FAS 1511(CH 20) over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.3 m).

Who owns FAS 1511(CH 20) over Stream?

It is owned by the County Highway Agency.