County Road 103 over Tongue River 054
FairBig Horn County, Montana · 3M NE Decker · Structure no. L02103000+04001
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 306 ft
- 3 main spans
- Daily traffic
- 203
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
County Road 103 over Tongue River 054 is a steel continuous stringer/multi-beam or girder carrying County Road 103 over Tongue River 054 in Big Horn County, Montana. It was built in 1976, so it is 49 years old, older 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 203 vehicles a day, roughly 3% of them trucks, projected to reach 214 by 2043. The structure is 306 ft (93.2 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County Road 103 over Tongue River 054 built?
It was built in 1976, making it 49 years old in 2025.
What condition is County Road 103 over Tongue River 054 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 July 2024.
How much traffic does County Road 103 over Tongue River 054 carry?
About 203 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is County Road 103 over Tongue River 054?
The structure is 306 ft (93.2 m) long with a longest span of 116 ft (35.4 m) and a deck 31 ft wide.
Who owns County Road 103 over Tongue River 054?
It is owned by the County Highway Agency.