TR-37 over Birch Creek
PoorPosted for loadLawrence County, Illinois · 2.5 MI Wsw Birds · Structure no. 051500400000000
- Built
- 1974
- 51 years old
- Condition
- Poor
- inspected January 2025
- Type
- Culvert
- Steel
- Length
- 32 ft
- 2 main spans
- Daily traffic
- 75
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR-37 over Birch Creek is a steel culvert carrying TR-37 over Birch Creek in Lawrence County, Illinois. It was built in 1974, so it is 51 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. Its operating status is: posted for load restriction.
It carries about 75 vehicles a day, roughly 8% of them trucks, projected to reach 76 by 2046. The structure is 32 ft (9.8 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was TR-37 over Birch Creek built?
It was built in 1974, making it 51 years old in 2025.
What condition is TR-37 over Birch 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 January 2025.
How much traffic does TR-37 over Birch Creek carry?
About 75 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is TR-37 over Birch Creek?
The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.5 m).
Who owns TR-37 over Birch Creek?
It is owned by the Town or Township Highway Agency.