TR 310 over Wolf Creek
PoorLaSalle County, Illinois · E 18th N 1625 · Structure no. 050317600000000
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected June 2024
- Type
- Channel Beam
- Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 400
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 310 over Wolf Creek is a concrete channel beam carrying TR 310 over Wolf Creek in LaSalle County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 400 vehicles a day, roughly 8% of them trucks, projected to reach 404 by 2046. The structure is 40 ft (12.2 m) long and 26 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR 310 over Wolf Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is TR 310 over Wolf Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does TR 310 over Wolf Creek carry?
About 400 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is TR 310 over Wolf Creek?
The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.
Who owns TR 310 over Wolf Creek?
It is owned by the Town or Township Highway Agency.