Peoria Rd. / Bl 55 over Sangamon R Overflow
FairSangamon County, Illinois · .7 M N Dirksen Pkwy. · Structure no. 084017900000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 442 ft
- 7 main spans
- Daily traffic
- 13,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Peoria Rd. / Bl 55 over Sangamon R Overflow is a steel continuous stringer/multi-beam or girder carrying Peoria Rd. / Bl 55 over Sangamon R Overflow in Sangamon County, Illinois. It was built in 1988, so it is 37 years old, younger 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 13,200 vehicles a day, roughly 4% of them trucks, projected to reach 16,261 by 2046. The structure is 442 ft (134.6 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Peoria Rd. / Bl 55 over Sangamon R Overflow built?
It was built in 1988, making it 37 years old in 2025.
What condition is Peoria Rd. / Bl 55 over Sangamon R Overflow 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 October 2024.
How much traffic does Peoria Rd. / Bl 55 over Sangamon R Overflow carry?
About 13,200 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Peoria Rd. / Bl 55 over Sangamon R Overflow?
The structure is 442 ft (134.6 m) long with a longest span of 66 ft (20.2 m) and a deck 67 ft wide.
Who owns Peoria Rd. / Bl 55 over Sangamon R Overflow?
It is owned by the State Highway Agency.