Sma 7436; Ammon RD over Sand Creek
FairBonneville County, Idaho · 0.5 N. Lincoln · Structure no. 000000000020785
- Built
- 1966
- 59 years old, rebuilt 1983
- Condition
- Fair
- inspected November 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 8,300
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Sma 7436; Ammon RD over Sand Creek is a prestressed concrete tee beam carrying Sma 7436; Ammon RD over Sand Creek in Bonneville County, Idaho. It was built in 1966 and reconstructed in 1983, so it is 59 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 8,300 vehicles a day, roughly 3% of them trucks, projected to reach 12,450 by 2042. The structure is 56 ft (17.1 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sma 7436; Ammon RD over Sand Creek built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1983.
What condition is Sma 7436; Ammon RD over Sand Creek 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 November 2023.
How much traffic does Sma 7436; Ammon RD over Sand Creek carry?
About 8,300 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Sma 7436; Ammon RD over Sand Creek?
The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 80 ft wide.
Who owns Sma 7436; Ammon RD over Sand Creek?
It is owned by the County Highway Agency.