317th Street / Ch over Sander Drain Ditch
GoodRock Island County, Illinois · 2 MI N of Hillsdale · Structure no. 081310300000000
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected November 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 63 ft
- 1 main span
- Daily traffic
- 275
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
317th Street / Ch over Sander Drain Ditch is a prestressed concrete box beam or girders - multiple carrying 317th Street / Ch over Sander Drain Ditch in Rock Island County, Illinois. It was built in 1987, so it is 38 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 275 vehicles a day, roughly 25% of them trucks, projected to reach 278 by 2046. The structure is 63 ft (19.2 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 317th Street / Ch over Sander Drain Ditch built?
It was built in 1987, making it 38 years old in 2025.
What condition is 317th Street / Ch over Sander Drain 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 November 2022.
How much traffic does 317th Street / Ch over Sander Drain Ditch carry?
About 275 vehicles per day (2020 count), of which roughly 25% are trucks.
How long is 317th Street / Ch over Sander Drain Ditch?
The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.
Who owns 317th Street / Ch over Sander Drain Ditch?
It is owned by the County Highway Agency.