US Bridges

6415 over No Data Entered

Good

Petersburg Census Area, Alaska · Kuiu Island · Structure no. 100521000003094

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
5
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

6415 over No Data Entered is a steel stringer/multi-beam or girder carrying 6415 over No Data Entered in Petersburg Census Area, Alaska. It was built in 2002, so it is 23 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 5 vehicles a day, projected to reach 7 by 2045. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Carries6415
CrossesNo Data Entered
LocationKuiu Island
RouteFederal Lands Road 6415
StateAlaska
Coordinates56.7745, -134.0551
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 inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span58 ft (17.8 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2006)
Projected traffic7 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 6415 over No Data Entered built?

It was built in 2002, making it 23 years old in 2025.

What condition is 6415 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 August 2023.

How much traffic does 6415 over No Data Entered carry?

About 5 vehicles per day (2006 count).

How long is 6415 over No Data Entered?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.8 m) and a deck 18 ft wide.

Who owns 6415 over No Data Entered?

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