US Bridges

FAS 777-LIV. Nd Ro over Trib to Silver Creek

Fair

Madison County, Illinois · 1.5ME of Il 4&LIV RD · Structure no. 060202800000000

Built
1985
40 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
525
2022 count
Owner
State
State Highway Agency

About this bridge

FAS 777-LIV. Nd Ro over Trib to Silver Creek is a concrete continuous culvert carrying FAS 777-LIV. Nd Ro over Trib to Silver Creek in Madison County, Illinois. It was built in 1985, so it is 40 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 525 vehicles a day, roughly 5% of them trucks, projected to reach 562 by 2046. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesFAS 777-LIV. Nd Ro
CrossesTrib to Silver Creek
Location1.5ME of Il 4&LIV RD
RouteCounty Highway 0
CountyMadison County
StateIllinois
Coordinates38.96139, -89.77197
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2022)
Projected traffic562 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

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 FAS 777-LIV. Nd Ro over Trib to Silver Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is FAS 777-LIV. Nd Ro over Trib to Silver 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 August 2024.

How much traffic does FAS 777-LIV. Nd Ro over Trib to Silver Creek carry?

About 525 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is FAS 777-LIV. Nd Ro over Trib to Silver Creek?

The structure is 41 ft (12.5 m) long with a longest span of 11 ft (3.4 m).

Who owns FAS 777-LIV. Nd Ro over Trib to Silver Creek?

It is owned by the State Highway Agency.