Stc 7631;SHILLING over Blackfoot River
FairBingham County, Idaho · At Blackfoot Scl · Structure no. 000000000021685
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 1,700
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Stc 7631;SHILLING over Blackfoot River is a prestressed concrete tee beam carrying Stc 7631;SHILLING over Blackfoot River in Bingham County, Idaho. It was built in 1971, so it is 54 years old, older than the Idaho average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,550 by 2042. The structure is 82 ft (25 m) long and 37 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Stc 7631;SHILLING over Blackfoot River built?
It was built in 1971, making it 54 years old in 2025.
What condition is Stc 7631;SHILLING over Blackfoot River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.
How much traffic does Stc 7631;SHILLING over Blackfoot River carry?
About 1,700 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is Stc 7631;SHILLING over Blackfoot River?
The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 37 ft wide.
Who owns Stc 7631;SHILLING over Blackfoot River?
It is owned by the City or Municipal Highway Agency.