Duncan Rd. over Br. Spoon River
GoodPeoria County, Illinois · E.CTR-3-T11NR6E · Structure no. 072312700000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected September 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 96 ft
- 3 main spans
- Daily traffic
- 250
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Duncan Rd. over Br. Spoon River is a prestressed concrete box beam or girders - multiple carrying Duncan Rd. over Br. Spoon River in Peoria County, Illinois. It was built in 1991, so it is 34 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 250 vehicles a day, roughly 11% of them trucks, projected to reach 278 by 2046. The structure is 96 ft (29.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| 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 Duncan Rd. over Br. Spoon River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Duncan Rd. over Br. Spoon River in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.
How much traffic does Duncan Rd. over Br. Spoon River carry?
About 250 vehicles per day (2022 count), of which roughly 11% are trucks.
How long is Duncan Rd. over Br. Spoon River?
The structure is 96 ft (29.2 m) long with a longest span of 33 ft (10.2 m) and a deck 36 ft wide.
Who owns Duncan Rd. over Br. Spoon River?
It is owned by the County Highway Agency.