Mud Creek TR 308 over Mud Creek
PoorSt. Clair County, Illinois · 1.5 MI N Ill 13 · Structure no. 082408200000000
- Built
- 1969
- 56 years old
- Condition
- Poor
- inspected March 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 236 ft
- 5 main spans
- Daily traffic
- 750
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Mud Creek TR 308 over Mud Creek is a prestressed concrete box beam or girders - multiple carrying Mud Creek TR 308 over Mud Creek in St. Clair County, Illinois. It was built in 1969, so it is 56 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 2 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 750 vehicles a day, roughly 7% of them trucks, projected to reach 859 by 2046. The structure is 236 ft (71.9 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).
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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 7 Good | Some minor problems. |
| 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 Mud Creek TR 308 over Mud Creek built?
It was built in 1969, making it 56 years old in 2025.
What condition is Mud Creek TR 308 over Mud 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 March 2023.
How much traffic does Mud Creek TR 308 over Mud Creek carry?
About 750 vehicles per day (2023 count), of which roughly 7% are trucks.
How long is Mud Creek TR 308 over Mud Creek?
The structure is 236 ft (71.9 m) long with a longest span of 47 ft (14.3 m) and a deck 30 ft wide.
Who owns Mud Creek TR 308 over Mud Creek?
It is owned by the Town or Township Highway Agency.