US 93 FH 12 over Grave Creek
FairLincoln County, Montana · 2M NW Fortine · Structure no. P00005170+02421
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 92 ft
- 1 main span
- Daily traffic
- 3,121
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 93 FH 12 over Grave Creek is a prestressed concrete stringer/multi-beam or girder carrying US 93 FH 12 over Grave Creek in Lincoln County, Montana. It was built in 1991, so it is 34 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 3,121 vehicles a day, roughly 3% of them trucks, projected to reach 3,277 by 2043. The structure is 92 ft (28 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 93 FH 12 over Grave Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is US 93 FH 12 over Grave 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 September 2024.
How much traffic does US 93 FH 12 over Grave Creek carry?
About 3,121 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is US 93 FH 12 over Grave Creek?
The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 42 ft wide.
Who owns US 93 FH 12 over Grave Creek?
It is owned by the State Highway Agency.