Culp Lane/ TR 117 over Rocky Branch Creek C
FairMadison County, Illinois · .8 MI North Bethalto · Structure no. 060329000000000
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 82 ft
- 3 main spans
- Daily traffic
- 1,400
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Culp Lane/ TR 117 over Rocky Branch Creek C is a prestressed concrete box beam or girders - multiple carrying Culp Lane/ TR 117 over Rocky Branch Creek C in Madison County, Illinois. It was built in 1986, so it is 39 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 1,498 by 2046. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 19.9 mi (32 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Culp Lane/ TR 117 over Rocky Branch Creek C built?
It was built in 1986, making it 39 years old in 2025.
What condition is Culp Lane/ TR 117 over Rocky Branch Creek C in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does Culp Lane/ TR 117 over Rocky Branch Creek C carry?
About 1,400 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Culp Lane/ TR 117 over Rocky Branch Creek C?
The structure is 82 ft (25 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns Culp Lane/ TR 117 over Rocky Branch Creek C?
It is owned by the Town or Township Highway Agency.