US Bridges

FAI 255 over Stolle RD FAU 9208

Poor

St. Clair County, Illinois · .75MI S Ill 157 · Structure no. 082022000000000

Built
1979
46 years old
Condition
Poor
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
1 main span
Daily traffic
31,400
2023 count
Owner
State
State Highway Agency

About this bridge

FAI 255 over Stolle RD FAU 9208 is a steel stringer/multi-beam or girder carrying FAI 255 over Stolle RD FAU 9208 in St. Clair County, Illinois. It was built in 1979, so it is 46 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 31,400 vehicles a day, roughly 17% of them trucks, projected to reach 33,330 by 2046. The structure is 122 ft (37.1 m) long and 121 ft wide. If it were closed, the detour would be 36 mi (58 km).

CarriesFAI 255
CrossesStolle RD FAU 9208
Location.75MI S Ill 157
RouteInterstate 255
Coordinates38.54383, -90.17319
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.8 US tons
Inventory rating55.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length122 ft (37.1 m)
Longest span121 ft (36.9 m)
Deck width121 ft (36.9 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,400 (2023)
Projected traffic33,330 by 2046
Trucks17%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed36 mi (58 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 255 over Stolle RD FAU 9208 built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAI 255 over Stolle RD FAU 9208 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does FAI 255 over Stolle RD FAU 9208 carry?

About 31,400 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is FAI 255 over Stolle RD FAU 9208?

The structure is 122 ft (37.1 m) long with a longest span of 121 ft (36.9 m) and a deck 121 ft wide.

Who owns FAI 255 over Stolle RD FAU 9208?

It is owned by the State Highway Agency.