Il 3 NB Ramp "f" P over Abandoned Southern RR
FairSt. Clair County, Illinois · Abut F-1 to Pier P-1 · Structure no. 082020400000000
- Built
- 1971
- 54 years old, rebuilt 2004
- Condition
- Fair
- inspected March 2023
- Type
- Girder and Floorbeam System
- Steel Continuous
- Length
- 1,043 ft
- 12 main spans
- Daily traffic
- 23,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 3 NB Ramp "f" P over Abandoned Southern RR is a steel continuous girder and floorbeam system carrying Il 3 NB Ramp "f" P over Abandoned Southern RR in St. Clair County, Illinois. It was built in 1971 and reconstructed in 2004, so it is 54 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 23,900 vehicles a day, roughly 13% of them trucks, projected to reach 18,180 by 2046. The structure is 1,043 ft (317.9 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Il 3 NB Ramp "f" P over Abandoned Southern RR built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2004.
What condition is Il 3 NB Ramp "f" P over Abandoned Southern RR 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 March 2023.
How much traffic does Il 3 NB Ramp "f" P over Abandoned Southern RR carry?
About 23,900 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is Il 3 NB Ramp "f" P over Abandoned Southern RR?
The structure is 1,043 ft (317.9 m) long with a longest span of 128 ft (39 m) and a deck 36 ft wide.
Who owns Il 3 NB Ramp "f" P over Abandoned Southern RR?
It is owned by the State Highway Agency.