US Bridges

Margaret over No Data Entered

Fair

Ketchikan Gateway Borough, Alaska · Margaret · Structure no. 100552000013475

Built
2010
15 years old
Condition
Fair
inspected July 2023
Type
Slab
Wood or Timber
Length
40 ft
1 main span
Daily traffic
—
2018 count
Owner
Federal
U.S. Forest Service

About this bridge

Margaret over No Data Entered is a wood or timber slab carrying Margaret over No Data Entered in Ketchikan Gateway Borough, Alaska. It was built in 2010, so it is 15 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

No traffic count is recorded. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

Location

Open in Google Maps
CarriesMargaret
CrossesNo Data Entered
LocationMargaret
RouteFederal Lands Road 80400
CountyKetchikan Gateway Borough
StateAlaska
Coordinates55.6706, -131.6933
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating77.2 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span0 ft (0 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 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 Margaret over No Data Entered built?

It was built in 2010, making it 15 years old in 2025.

What condition is Margaret over No Data Entered in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Margaret over No Data Entered carry?

No traffic count is recorded for this structure.

How long is Margaret over No Data Entered?

The structure is 40 ft (12.2 m) long and a deck 18 ft wide.

Who owns Margaret over No Data Entered?

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