Stc 4792;CHESTNUT over Cow Creek
GoodLatah County, Idaho · In Genesee;chestnut St. · Structure no. 000000000020310
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 40 ft
- 1 main span
- Daily traffic
- 210
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Stc 4792;CHESTNUT over Cow Creek is a prestressed concrete slab carrying Stc 4792;CHESTNUT over Cow Creek in Latah County, Idaho. It was built in 1977, so it is 48 years old, older than the Idaho 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 210 vehicles a day, roughly 50% of them trucks, projected to reach 315 by 2042. The structure is 40 ft (12.2 m) long and 40 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 | 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 Stc 4792;CHESTNUT over Cow Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is Stc 4792;CHESTNUT over Cow 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 June 2024.
How much traffic does Stc 4792;CHESTNUT over Cow Creek carry?
About 210 vehicles per day (2023 count), of which roughly 50% are trucks.
How long is Stc 4792;CHESTNUT over Cow Creek?
The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 40 ft wide.
Who owns Stc 4792;CHESTNUT over Cow Creek?
It is owned by the City or Municipal Highway Agency.