US Bridges

Logging Road over Suntaheen Creek

Good

Hoonah-Angoon Census Area, Alaska · Suntaheen · Structure no. 100532000031012

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
1 main span
Daily traffic
10
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Logging Road over Suntaheen Creek is a steel stringer/multi-beam or girder carrying Logging Road over Suntaheen Creek in Hoonah-Angoon Census Area, Alaska. It was built in 2018, so it is 7 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 102 ft (31.1 m) long and 17 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesLogging Road
CrossesSuntaheen Creek
LocationSuntaheen
RouteFederal Lands Road 8530
StateAlaska
Coordinates58.04533, -135.14962
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
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 rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length102 ft (31.1 m)
Longest span99 ft (30.2 m)
Deck width17 ft (5.3 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 Logging Road over Suntaheen Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Logging Road over Suntaheen Creek 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 2024.

How much traffic does Logging Road over Suntaheen Creek carry?

About 10 vehicles per day (2006 count).

How long is Logging Road over Suntaheen Creek?

The structure is 102 ft (31.1 m) long with a longest span of 99 ft (30.2 m) and a deck 17 ft wide.

Who owns Logging Road over Suntaheen Creek?

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