Old Town RD over Jefferson River 063
PoorClosed to trafficGallatin County, Montana · 2M N Three Forks · Structure no. L16201000+07001
- Built
- 1894
- 131 years old, rebuilt 1984
- Condition
- Poor
- inspected June 2024
- Type
- Truss - Thru
- Steel
- Length
- 156 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- County
- County Highway Agency
About this bridge
Old Town RD over Jefferson River 063 is a steel truss - thru carrying Old Town RD over Jefferson River 063 in Gallatin County, Montana. It was built in 1894 and reconstructed in 1984, so it is 131 years old, older than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.
It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 156 ft (47.5 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Old Town RD over Jefferson River 063 built?
It was built in 1894, making it 131 years old in 2025. It was reconstructed in 1984.
What condition is Old Town RD over Jefferson River 063 in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.
How much traffic does Old Town RD over Jefferson River 063 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Old Town RD over Jefferson River 063?
The structure is 156 ft (47.5 m) long with a longest span of 110 ft (33.5 m) and a deck 16 ft wide.
Who owns Old Town RD over Jefferson River 063?
It is owned by the County Highway Agency.