Township Road 317 over Br of Bureau Creek
PoorBureau County, Illinois · 1.5 M NW Tiskilwa · Structure no. 006415500000000
- Built
- 1979
- 46 years old
- Condition
- Poor
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 49 ft
- 1 main span
- Daily traffic
- 50
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Township Road 317 over Br of Bureau Creek is a prestressed concrete box beam or girders - multiple carrying Township Road 317 over Br of Bureau Creek in Bureau County, Illinois. It was built in 1979, so it is 46 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 49 ft (14.9 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 Township Road 317 over Br of Bureau Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is Township Road 317 over Br of Bureau 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 December 2023.
How much traffic does Township Road 317 over Br of Bureau Creek carry?
About 50 vehicles per day (2020 count), of which roughly 8% are trucks.
How long is Township Road 317 over Br of Bureau Creek?
The structure is 49 ft (14.9 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.
Who owns Township Road 317 over Br of Bureau Creek?
It is owned by the Town or Township Highway Agency.