Cty HWY 8 (CH-C61) over Senachwin Creek
GoodMarshall County, Illinois · T13N-R9E-4PM Sec 31 · Structure no. 062313200000000
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 76 ft
- 1 main span
- Daily traffic
- 100
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
Cty HWY 8 (CH-C61) over Senachwin Creek is a prestressed concrete box beam or girders - multiple carrying Cty HWY 8 (CH-C61) over Senachwin Creek in Marshall 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 100 vehicles a day, roughly 64% of them trucks, projected to reach 152 by 2046. The structure is 76 ft (23.2 m) long and 24 ft wide.
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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cty HWY 8 (CH-C61) over Senachwin Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Cty HWY 8 (CH-C61) over Senachwin Creek 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 August 2023.
How much traffic does Cty HWY 8 (CH-C61) over Senachwin Creek carry?
About 100 vehicles per day (2024 count), of which roughly 64% are trucks.
How long is Cty HWY 8 (CH-C61) over Senachwin Creek?
The structure is 76 ft (23.2 m) long with a longest span of 71 ft (21.6 m) and a deck 24 ft wide.
Who owns Cty HWY 8 (CH-C61) over Senachwin Creek?
It is owned by the County Highway Agency.