US Bridges

Logging Road over Stream

Fair

Petersburg Census Area, Alaska · Mitkof Island · Structure no. 100210000001148

Built
1980
45 years old, rebuilt 2004
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
55 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 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 50 vehicles a day, projected to reach 75 by 2045. The structure is 55 ft (16.8 m) long and 18 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
Coordinates56.53511, -132.76475
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating80 US tons
Inventory rating61.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length55 ft (16.8 m)
Longest span52 ft (15.8 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 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 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 August 2023.

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 55 ft (16.8 m) long with a longest span of 52 ft (15.8 m) and a deck 18 ft wide.

Who owns Logging Road over Stream?

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