US Bridges

FAI 270 WB over Oa RD UP KCS Gwe NS IL20

Fair

Madison County, Illinois · 1.5 MI W of Il 111 · Structure no. 060004300000000

Built
1961
64 years old, rebuilt 1998
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
592 ft
10 main spans
Daily traffic
28,300
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 270 WB over Oa RD UP KCS Gwe NS IL20 is a steel continuous stringer/multi-beam or girder carrying FAI 270 WB over Oa RD UP KCS Gwe NS IL20 in Madison County, Illinois. It was built in 1961 and reconstructed in 1998, so it is 64 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 28,300 vehicles a day, roughly 18% of them trucks, projected to reach 30,900 by 2046. The structure is 592 ft (180.4 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFAI 270 WB
CrossesOa RD UP KCS Gwe NS IL20
Location1.5 MI W of Il 111
RouteInterstate 270
Coordinates38.75942, -90.09426
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length592 ft (180.4 m)
Longest span75 ft (22.9 m)
Deck width80 ft (24.3 m)
Roadway width74 ft (22.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,300 (2023)
Projected traffic30,900 by 2046
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI 270 WB over Oa RD UP KCS Gwe NS IL20 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1998.

What condition is FAI 270 WB over Oa RD UP KCS Gwe NS IL20 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 FAI 270 WB over Oa RD UP KCS Gwe NS IL20 carry?

About 28,300 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAI 270 WB over Oa RD UP KCS Gwe NS IL20?

The structure is 592 ft (180.4 m) long with a longest span of 75 ft (22.9 m) and a deck 80 ft wide.

Who owns FAI 270 WB over Oa RD UP KCS Gwe NS IL20?

It is owned by the State Highway Agency.