US Bridges

FAI-55 Ramps &fr R over Trib to Silver Creek

Fair

Madison County, Illinois · N of New Douglas RD · Structure no. 060201600000000

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
28,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAI-55 Ramps &fr R over Trib to Silver Creek is a concrete continuous culvert carrying FAI-55 Ramps &fr R over Trib to Silver Creek in Madison County, Illinois. It was built in 1970, so it is 55 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 28,800 vehicles a day, roughly 28% of them trucks, projected to reach 32,421 by 2046. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 24.2 mi (39 km).

CarriesFAI-55 Ramps &fr R
CrossesTrib to Silver Creek
LocationN of New Douglas RD
RouteInterstate 55
Coordinates38.96932, -89.75124
Functional classRural Principal Arterial - Interstate

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 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 alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length23 ft (7.1 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,800 (2023)
Projected traffic32,421 by 2046
Trucks28%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 FAI-55 Ramps &fr R over Trib to Silver Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAI-55 Ramps &fr R 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 February 2024.

How much traffic does FAI-55 Ramps &fr R over Trib to Silver Creek carry?

About 28,800 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is FAI-55 Ramps &fr R over Trib to Silver Creek?

The structure is 23 ft (7.1 m) long with a longest span of 10 ft (3.2 m).

Who owns FAI-55 Ramps &fr R over Trib to Silver Creek?

It is owned by the State Highway Agency.