US Bridges

No Data Entered over No Data Entered

Good

Prince of Wales-Hyder Census Area, Alaska · Thorne Bay · Structure no. 100554000015609

Built
2013
12 years old, rebuilt 2014
Condition
Good
inspected September 2023
Type
Slab
Wood or Timber
Length
41 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

No Data Entered over No Data Entered is a wood or timber slab carrying No Data Entered over No Data Entered in Prince of Wales-Hyder Census Area, Alaska. It was built in 2013 and reconstructed in 2014, so it is 12 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10 vehicles a day, projected to reach 15 by 2045. The structure is 41 ft (12.5 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesNo Data Entered
CrossesNo Data Entered
LocationThorne Bay
RouteFederal Lands Road 30180
CountyPrince of Wales-Hyder Census Area
StateAlaska
Coordinates55.70854, -132.54183
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating100.8 US tons
Inventory rating77.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2006)
Projected traffic15 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 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 No Data Entered over No Data Entered built?

It was built in 2013, making it 12 years old in 2025. It was reconstructed in 2014.

What condition is No Data Entered over No Data Entered 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 September 2023.

How much traffic does No Data Entered over No Data Entered carry?

About 10 vehicles per day (2006 count).

How long is No Data Entered over No Data Entered?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns No Data Entered over No Data Entered?

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