US Bridges

Logging Road over Sitkoh River

Good

Sitka City and Borough, Alaska · False Island · Structure no. 100310000001102

Built
1982
43 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
80 ft
1 main span
Daily traffic
—
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Logging Road over Sitkoh River is a wood or timber stringer/multi-beam or girder carrying Logging Road over Sitkoh River in Sitka City and Borough, Alaska. It was built in 1982, so it is 43 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.

No traffic count is recorded. The structure is 80 ft (24.4 m) long and 19 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesLogging Road
CrossesSitkoh River
LocationFalse Island
RouteFederal Lands Road 7540F
StateAlaska
Coordinates57.56894, -135.02851
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 protection7 GoodSome minor problems.
Last inspectionJuly 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 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 rating66.8 US tons
Inventory rating51.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length80 ft (24.4 m)
Longest span80 ft (24.4 m)
Deck width19 ft (5.8 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
Projected traffic—
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 Sitkoh River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Logging Road over Sitkoh River 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 July 2024.

How much traffic does Logging Road over Sitkoh River carry?

No traffic count is recorded for this structure.

How long is Logging Road over Sitkoh River?

The structure is 80 ft (24.4 m) long with a longest span of 80 ft (24.4 m) and a deck 19 ft wide.

Who owns Logging Road over Sitkoh River?

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