TR 71 over Drainage Ditch
GoodRock Island County, Illinois · 0.5 MI N of Barstow · Structure no. 081309800000000
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected October 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 75
- 2020 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
TR 71 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying TR 71 over Drainage Ditch in Rock Island 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 75 vehicles a day, roughly 13% of them trucks, projected to reach 76 by 2046. The structure is 56 ft (17.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| 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 TR 71 over Drainage Ditch built?
It was built in 1985, making it 40 years old in 2025.
What condition is TR 71 over Drainage Ditch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.
How much traffic does TR 71 over Drainage Ditch carry?
About 75 vehicles per day (2020 count), of which roughly 13% are trucks.
How long is TR 71 over Drainage Ditch?
The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.
Who owns TR 71 over Drainage Ditch?
It is owned by the Town or Township Highway Agency.