Augusta RD over Middle Fork Dearborn 010
GoodLewis and Clark County, Montana · 25M S Augusta · Structure no. L25300000+08001
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 100 ft
- 1 main span
- Daily traffic
- 46
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Augusta RD over Middle Fork Dearborn 010 is a prestressed concrete tee beam carrying Augusta RD over Middle Fork Dearborn 010 in Lewis and Clark County, Montana. It was built in 2014, so it is 11 years old, younger than the Montana average of 47 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 46 vehicles a day, roughly 3% of them trucks, projected to reach 49 by 2043. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 29.8 mi (48 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Augusta RD over Middle Fork Dearborn 010 built?
It was built in 2014, making it 11 years old in 2025.
What condition is Augusta RD over Middle Fork Dearborn 010 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does Augusta RD over Middle Fork Dearborn 010 carry?
About 46 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Augusta RD over Middle Fork Dearborn 010?
The structure is 100 ft (30.5 m) long with a longest span of 97 ft (29.6 m) and a deck 27 ft wide.
Who owns Augusta RD over Middle Fork Dearborn 010?
It is owned by the County Highway Agency.