Third Avenue S over Little Casino Creek 138
PoorClosed to trafficFergus County, Montana · LEWISTOWN-3rd Ave S · Structure no. M14071000+00801
- Built
- 2006
- 19 years old
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 28 ft
- 1 main span
- Daily traffic
- 100
- 2025 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Third Avenue S over Little Casino Creek 138 is a wood or timber stringer/multi-beam or girder carrying Third Avenue S over Little Casino Creek 138 in Fergus County, Montana. It was built in 2006, so it is 19 years old, younger 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 4 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 28 ft (8.4 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Third Avenue S over Little Casino Creek 138 built?
It was built in 2006, making it 19 years old in 2025.
What condition is Third Avenue S over Little Casino Creek 138 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 August 2023.
How much traffic does Third Avenue S over Little Casino Creek 138 carry?
About 100 vehicles per day (2025 count), of which roughly 3% are trucks.
How long is Third Avenue S over Little Casino Creek 138?
The structure is 28 ft (8.4 m) long with a longest span of 27 ft (8.1 m) and a deck 32 ft wide.
Who owns Third Avenue S over Little Casino Creek 138?
It is owned by the City or Municipal Highway Agency.