OR-6137 (pub Prk R over Mountain Branch
PoorMarion County, Illinois · Stephen Forbes ST Pk · Structure no. 061992000000000
- Built
- 1965
- 60 years old
- Condition
- Poor
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 116 ft
- 2 main spans
- Daily traffic
- 25
- 2022 count
- Owner
- State
- State Park, Forest, or Reservation Agency
About this bridge
OR-6137 (pub Prk R over Mountain Branch is a steel stringer/multi-beam or girder carrying OR-6137 (pub Prk R over Mountain Branch in Marion County, Illinois. It was built in 1965, so it is 60 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 3 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 25 vehicles a day, roughly 28% of them trucks, projected to reach 25 by 2046. The structure is 116 ft (35.5 m) long and 22 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was OR-6137 (pub Prk R over Mountain Branch built?
It was built in 1965, making it 60 years old in 2025.
What condition is OR-6137 (pub Prk R over Mountain 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 January 2023.
How much traffic does OR-6137 (pub Prk R over Mountain Branch carry?
About 25 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is OR-6137 (pub Prk R over Mountain Branch?
The structure is 116 ft (35.5 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.
Who owns OR-6137 (pub Prk R over Mountain Branch?
It is owned by the State Park, Forest, or Reservation Agency.