Wolf RD over Flag Creek
PoorCook County, Illinois · 0.04 M S 79th P10 · Structure no. 016301700000000
- Built
- 1963
- 62 years old, rebuilt 1985
- Condition
- Poor
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 1,950
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Wolf RD over Flag Creek is a prestressed concrete box beam or girders - multiple carrying Wolf RD over Flag Creek in Cook County, Illinois. It was built in 1963 and reconstructed in 1985, so it is 62 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.
It carries about 1,950 vehicles a day, roughly 4% of them trucks, projected to reach 2,323 by 2046. The structure is 164 ft (49.9 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Wolf RD over Flag Creek built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1985.
What condition is Wolf RD over Flag 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 December 2023.
How much traffic does Wolf RD over Flag Creek carry?
About 1,950 vehicles per day (2022 count), of which roughly 4% are trucks.
How long is Wolf RD over Flag Creek?
The structure is 164 ft (49.9 m) long with a longest span of 68 ft (20.7 m) and a deck 40 ft wide.
Who owns Wolf RD over Flag Creek?
It is owned by the County Highway Agency.