TR 31 over Cottonwood Creek
GoodCumberland County, Illinois · 2.5 MI SE Janesville · Structure no. 018316100000000
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 50
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 31 over Cottonwood Creek is a prestressed concrete box beam or girders - multiple carrying TR 31 over Cottonwood Creek in Cumberland 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 52 by 2046. The structure is 61 ft (18.7 m) long and 28 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 TR 31 over Cottonwood Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is TR 31 over Cottonwood Creek 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 March 2023.
How much traffic does TR 31 over Cottonwood Creek carry?
About 50 vehicles per day (2021 count), of which roughly 4% are trucks.
How long is TR 31 over Cottonwood Creek?
The structure is 61 ft (18.7 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.
Who owns TR 31 over Cottonwood Creek?
It is owned by the Town or Township Highway Agency.