Irr:lost River RD over Lost River
FairYakutat City and Borough, Alaska · Mile Point 5.9 · Structure no. 1196
- Built
- 1985
- 40 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 100
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Irr:lost River RD over Lost River is a prestressed concrete tee beam carrying Irr:lost River RD over Lost River in Yakutat City and Borough, Alaska. It was built in 1985, so it is 40 years old, older 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 100 vehicles a day, roughly 9% of them trucks, projected to reach 120 by 2039. The structure is 100 ft (30.6 m) long and 17 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Irr:lost River RD over Lost River built?
It was built in 1985, making it 40 years old in 2025.
What condition is Irr:lost River RD over Lost 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 May 2024.
How much traffic does Irr:lost River RD over Lost River carry?
About 100 vehicles per day (2020 count), of which roughly 9% are trucks.
How long is Irr:lost River RD over Lost River?
The structure is 100 ft (30.6 m) long with a longest span of 33 ft (10.1 m) and a deck 17 ft wide.
Who owns Irr:lost River RD over Lost River?
It is owned by the State Highway Agency.