CO HWY 31 over LA Moine River
GoodHancock County, Illinois · 9.0 MI E Carthage · Structure no. 034331100000000
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 404 ft
- 3 main spans
- Daily traffic
- 100
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
CO HWY 31 over LA Moine River is a steel continuous stringer/multi-beam or girder carrying CO HWY 31 over LA Moine River in Hancock County, Illinois. It was built in 1995, so it is 30 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 100 vehicles a day, projected to reach 101 by 2046. The structure is 404 ft (123.1 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was CO HWY 31 over LA Moine River built?
It was built in 1995, making it 30 years old in 2025.
What condition is CO HWY 31 over LA Moine 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 December 2024.
How much traffic does CO HWY 31 over LA Moine River carry?
About 100 vehicles per day (2023 count).
How long is CO HWY 31 over LA Moine River?
The structure is 404 ft (123.1 m) long with a longest span of 155 ft (47.2 m) and a deck 30 ft wide.
Who owns CO HWY 31 over LA Moine River?
It is owned by the Town or Township Highway Agency.