US Bridges

FAI 270 WB over Ill 111

Fair

Madison County, Illinois · At Pontoon Beach · Structure no. 060004700000000

Built
1961
64 years old, rebuilt 1998
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
4 main spans
Daily traffic
26,200
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 270 WB over Ill 111 is a steel continuous stringer/multi-beam or girder carrying FAI 270 WB over Ill 111 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 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 26,200 vehicles a day, roughly 18% of them trucks, projected to reach 28,623 by 2046. The structure is 224 ft (68.4 m) long and 60 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFAI 270 WB
CrossesIll 111
LocationAt Pontoon Beach
RouteInterstate 270
Coordinates38.7574, -90.06683
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length224 ft (68.4 m)
Longest span69 ft (21 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,200 (2023)
Projected traffic28,623 by 2046
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$924,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAI 270 WB over Ill 111 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 Ill 111 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 Ill 111 carry?

About 26,200 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is FAI 270 WB over Ill 111?

The structure is 224 ft (68.4 m) long with a longest span of 69 ft (21 m) and a deck 60 ft wide.

Who owns FAI 270 WB over Ill 111?

It is owned by the State Highway Agency.