Offner Road TR377 over Trib. Rock Creek
FairWill County, Illinois · 0.5 MI E Egyp. TR RD · Structure no. 099465600000000
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected April 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 175
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Offner Road TR377 over Trib. Rock Creek is a prestressed concrete box beam or girders - multiple carrying Offner Road TR377 over Trib. Rock Creek in Will County, Illinois. It was built in 1985, so it is 40 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 175 vehicles a day, roughly 21% of them trucks, projected to reach 396 by 2046. The structure is 34 ft (10.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Offner Road TR377 over Trib. Rock Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Offner Road TR377 over Trib. Rock Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does Offner Road TR377 over Trib. Rock Creek carry?
About 175 vehicles per day (2023 count), of which roughly 21% are trucks.
How long is Offner Road TR377 over Trib. Rock Creek?
The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.9 m) and a deck 30 ft wide.
Who owns Offner Road TR377 over Trib. Rock Creek?
It is owned by the Town or Township Highway Agency.