I-74(WB) over Sangamon River
FairChampaign County, Illinois · E of Mahomet · Structure no. 010001700000000
- Built
- 1967
- 58 years old, rebuilt 1997
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 393 ft
- 3 main spans
- Daily traffic
- 14,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-74(WB) over Sangamon River is a steel continuous stringer/multi-beam or girder carrying I-74(WB) over Sangamon River in Champaign County, Illinois. It was built in 1967 and reconstructed in 1997, so it is 58 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 14,400 vehicles a day, roughly 27% of them trucks, projected to reach 15,605 by 2046. The structure is 393 ft (119.9 m) long and 43 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-74(WB) over Sangamon River built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1997.
What condition is I-74(WB) over Sangamon River 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 August 2024.
How much traffic does I-74(WB) over Sangamon River carry?
About 14,400 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is I-74(WB) over Sangamon River?
The structure is 393 ft (119.9 m) long with a longest span of 135 ft (41.1 m) and a deck 43 ft wide.
Who owns I-74(WB) over Sangamon River?
It is owned by the State Highway Agency.