US Bridges

Fdr 6593 over Stream - Hamilton

Good

Wrangell City and Borough, Alaska · Zarembo Island · Structure no. 100220000001083

Built
1994
31 years old, rebuilt 2000
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
—
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 6593 over Stream - Hamilton is a steel stringer/multi-beam or girder carrying Fdr 6593 over Stream - Hamilton in Wrangell City and Borough, Alaska. It was built in 1994 and reconstructed in 2000, so it is 31 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.

No traffic count is recorded. The structure is 70 ft (21.3 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 6593
CrossesStream - Hamilton
LocationZarembo Island
RouteFederal Lands Road 6593
StateAlaska
Coordinates56.37206, -132.77512
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 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 alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 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 Fdr 6593 over Stream - Hamilton built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2000.

What condition is Fdr 6593 over Stream - Hamilton 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 Fdr 6593 over Stream - Hamilton carry?

No traffic count is recorded for this structure.

How long is Fdr 6593 over Stream - Hamilton?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 18 ft wide.

Who owns Fdr 6593 over Stream - Hamilton?

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