US Bridges

FAI 55/70 WB over Canteen Creek

Fair

Madison County, Illinois · FAI 70 over Canteen · Structure no. 060001100000000

Built
1960
65 years old, rebuilt 1991
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
288 ft
3 main spans
Daily traffic
26,800
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 55/70 WB over Canteen Creek is a steel continuous stringer/multi-beam or girder carrying FAI 55/70 WB over Canteen Creek in Madison County, Illinois. It was built in 1960 and reconstructed in 1991, so it is 65 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 5 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 26,800 vehicles a day, roughly 19% of them trucks, projected to reach 27,660 by 2046. The structure is 288 ft (87.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 55/70 WB
CrossesCanteen Creek
LocationFAI 70 over Canteen
RouteInterstate 55
Coordinates38.66526, -90.05644
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.5 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length288 ft (87.8 m)
Longest span108 ft (32.9 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,800 (2023)
Projected traffic27,660 by 2046
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 55/70 WB over Canteen Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is FAI 55/70 WB over Canteen 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 December 2024.

How much traffic does FAI 55/70 WB over Canteen Creek carry?

About 26,800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is FAI 55/70 WB over Canteen Creek?

The structure is 288 ft (87.8 m) long with a longest span of 108 ft (32.9 m) and a deck 59 ft wide.

Who owns FAI 55/70 WB over Canteen Creek?

It is owned by the State Highway Agency.