OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr
PoorPosted for loadMadison County, Illinois · 1.3 M E Miss R · Structure no. 060006800000000
- Built
- 1949
- 76 years old, rebuilt 1999
- Condition
- Poor
- inspected August 2023
- Type
- Truss - Thru
- Steel
- Length
- 2,368 ft
- 17 main spans
- Daily traffic
- 525
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr is a steel truss - thru carrying OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr in Madison County, Illinois. It was built in 1949 and reconstructed in 1999, so it is 76 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 525 vehicles a day, roughly 3% of them trucks, projected to reach 562 by 2046. The structure is 2,368 ft (721.8 m) long and 31 ft wide. If it were closed, the detour would be 42.3 mi (68 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr built?
It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1999.
What condition is OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr 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 August 2023.
How much traffic does OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr carry?
About 525 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr?
The structure is 2,368 ft (721.8 m) long with a longest span of 463 ft (141.1 m) and a deck 31 ft wide.
Who owns OR-5 Chainofrocksr over Chain of Rocks Cn & 2 Lr?
It is owned by the City or Municipal Highway Agency.