US Bridges

Logging Road over Stream

Good

Petersburg Census Area, Alaska · Mitkof Island · Structure no. 100210000001145

Built
1980
45 years old, rebuilt 2004
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
87 ft
1 main span
Daily traffic
50
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Logging Road over Stream is a wood or timber stringer/multi-beam or girder carrying Logging Road over Stream in Petersburg Census Area, Alaska. It was built in 1980 and reconstructed in 2004, so it is 45 years old, older 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 87 ft (26.5 m) long and 17 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesLogging Road
CrossesStream
LocationMitkof Island
RouteFederal Lands Road 6245
StateAlaska
Coordinates56.54632, -132.78034
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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.4 US tons
Inventory rating46.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length87 ft (26.5 m)
Longest span87 ft (26.5 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2006)
Projected traffic75 by 2045
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 Logging Road over Stream built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2004.

What condition is Logging Road over Stream 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 2024.

How much traffic does Logging Road over Stream carry?

About 50 vehicles per day (2006 count).

How long is Logging Road over Stream?

The structure is 87 ft (26.5 m) long with a longest span of 87 ft (26.5 m) and a deck 17 ft wide.

Who owns Logging Road over Stream?

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