US Bridges

3015231-0.570 over No Data Entered

Fair

Prince of Wales-Hyder Census Area, Alaska · Thorne Bay · Structure no. 100310000001456

Built
1993
32 years old, rebuilt 2017
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
5
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

3015231-0.570 over No Data Entered is a steel stringer/multi-beam or girder carrying 3015231-0.570 over No Data Entered in Prince of Wales-Hyder Census Area, Alaska. It was built in 1993 and reconstructed in 2017, 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 6 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 5 vehicles a day, projected to reach 50 by 2000. The structure is 70 ft (21.3 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
Carries3015231-0.570
CrossesNo Data Entered
LocationThorne Bay
RouteFederal Lands Road 30152
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.44276, -132.42127
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2018)
Projected traffic50 by 2000
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 3015231-0.570 over No Data Entered built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2017.

What condition is 3015231-0.570 over No Data Entered 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 July 2024.

How much traffic does 3015231-0.570 over No Data Entered carry?

About 5 vehicles per day (2018 count).

How long is 3015231-0.570 over No Data Entered?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 18 ft wide.

Who owns 3015231-0.570 over No Data Entered?

It is owned by the U.S. Forest Service.