US Bridges

Fdr 6540 over Stream - Hamilton 60R36

PoorPosted for load

Wrangell City and Borough, Alaska · Etolin Island · Structure no. 100220000001138

Built
1982
43 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
—
2006 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 6540 over Stream - Hamilton 60R36 is a steel stringer/multi-beam or girder carrying Fdr 6540 over Stream - Hamilton 60R36 in Wrangell 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

No traffic count is recorded. The structure is 60 ft (18.3 m) long and 18 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesFdr 6540
CrossesStream - Hamilton 60R36
LocationEtolin Island
RouteFederal Lands Road 6540
StateAlaska
Coordinates56.18319, -132.59954
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating5 US tons
Inventory rating3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span58 ft (17.8 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 6540 over Stream - Hamilton 60R36 built?

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

What condition is Fdr 6540 over Stream - Hamilton 60R36 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Fdr 6540 over Stream - Hamilton 60R36 carry?

No traffic count is recorded for this structure.

How long is Fdr 6540 over Stream - Hamilton 60R36?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.8 m) and a deck 18 ft wide.

Who owns Fdr 6540 over Stream - Hamilton 60R36?

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