Welch Road over Little Susitna Riv Trib
GoodMatanuska-Susitna Borough, Alaska · Mile Point 0.2 · Structure no. 1713
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 62 ft
- 1 main span
- Daily traffic
- 50
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
Welch Road over Little Susitna Riv Trib is a steel stringer/multi-beam or girder carrying Welch Road over Little Susitna Riv Trib in Matanuska-Susitna Borough, Alaska. It was built in 2011, so it is 14 years old, younger than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 60 by 2035. The structure is 62 ft (18.9 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 9 Excellent | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Welch Road over Little Susitna Riv Trib built?
It was built in 2011, making it 14 years old in 2025.
What condition is Welch Road over Little Susitna Riv Trib 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 June 2024.
How much traffic does Welch Road over Little Susitna Riv Trib carry?
About 50 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Welch Road over Little Susitna Riv Trib?
The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.6 m) and a deck 16 ft wide.
Who owns Welch Road over Little Susitna Riv Trib?
It is owned by the County Highway Agency.