US Bridges

FDR6585 over Stream - Log

Good

Wrangell City and Borough, Alaska · Zarembo Island · Structure no. 100220000001219

Built
1986
39 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
51 ft
1 main span
Daily traffic
—
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

FDR6585 over Stream - Log is a wood or timber stringer/multi-beam or girder carrying FDR6585 over Stream - Log in Wrangell City and Borough, Alaska. It was built in 1986, so it is 39 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 51 ft (15.5 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFDR6585
CrossesStream - Log
LocationZarembo Island
RouteFederal Lands Road 6585
StateAlaska
Coordinates56.3478, -132.9428
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadOther
Structure length51 ft (15.5 m)
Longest span48 ft (14.6 m)
Deck width18 ft (5.5 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 FDR6585 over Stream - Log built?

It was built in 1986, making it 39 years old in 2025.

What condition is FDR6585 over Stream - Log 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 FDR6585 over Stream - Log carry?

No traffic count is recorded for this structure.

How long is FDR6585 over Stream - Log?

The structure is 51 ft (15.5 m) long with a longest span of 48 ft (14.6 m) and a deck 18 ft wide.

Who owns FDR6585 over Stream - Log?

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