US Bridges

Hydaburg Highway over Fubar Creek

Fair

Prince of Wales-Hyder Census Area, Alaska · Mile Point 21.5 · Structure no. 1356

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
130
2020 count
Owner
State
State Highway Agency

About this bridge

Hydaburg Highway over Fubar Creek is a prestressed concrete tee beam carrying Hydaburg Highway over Fubar Creek in Prince of Wales-Hyder Census Area, Alaska. It was built in 1976, so it is 49 years old, older 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.

It carries about 130 vehicles a day, roughly 8% of them trucks, projected to reach 170 by 2039. The structure is 100 ft (30.5 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHydaburg Highway
CrossesFubar Creek
LocationMile Point 21.5
RouteState Highway 913
StateAlaska
Coordinates55.44778, -132.83611
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.7 US tons
Inventory rating44.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span76 ft (23.2 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic170 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hydaburg Highway over Fubar Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Hydaburg Highway over Fubar Creek 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 Hydaburg Highway over Fubar Creek carry?

About 130 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Hydaburg Highway over Fubar Creek?

The structure is 100 ft (30.5 m) long with a longest span of 76 ft (23.2 m) and a deck 26 ft wide.

Who owns Hydaburg Highway over Fubar Creek?

It is owned by the State Highway Agency.