TR 185 over Oak Branch
PoorPosted for loadChristian County, Illinois · 2MI N Assumption · Structure no. 011313500000000
- Built
- 1900
- 125 years old, rebuilt 1974
- Condition
- Poor
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 20
- 2021 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 185 over Oak Branch is a steel continuous stringer/multi-beam or girder carrying TR 185 over Oak Branch in Christian County, Illinois. It was built in 1900 and reconstructed in 1974, so it is 125 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. Its operating status is: posted for load restriction.
It carries about 20 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2046. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| 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 185 over Oak Branch built?
It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1974.
What condition is TR 185 over Oak Branch 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 November 2024.
How much traffic does TR 185 over Oak Branch carry?
About 20 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is TR 185 over Oak Branch?
The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 27 ft wide.
Who owns TR 185 over Oak Branch?
It is owned by the Town or Township Highway Agency.