Schrock RD Spur over Little Susitna River
FairMatanuska-Susitna Borough, Alaska · Mile Point 6.8 · Structure no. 1030
- Built
- 1993
- 32 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 220 ft
- 2 main spans
- Daily traffic
- 875
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Schrock RD Spur over Little Susitna River is a prestressed concrete tee beam carrying Schrock RD Spur over Little Susitna River in Matanuska-Susitna Borough, Alaska. It was built in 1993, so it is 32 years old, younger than the Alaska average of 35.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 875 vehicles a day, roughly 7% of them trucks, projected to reach 1,100 by 2035. The structure is 220 ft (67.1 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Schrock RD Spur over Little Susitna River built?
It was built in 1993, making it 32 years old in 2025.
What condition is Schrock RD Spur over Little Susitna River 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 June 2024.
How much traffic does Schrock RD Spur over Little Susitna River carry?
About 875 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is Schrock RD Spur over Little Susitna River?
The structure is 220 ft (67.1 m) long with a longest span of 108 ft (32.9 m) and a deck 31 ft wide.
Who owns Schrock RD Spur over Little Susitna River?
It is owned by the State Highway Agency.