US Bridges

Halibut Point Road over Granite Creek

Fair

Sitka City and Borough, Alaska · Mile Point 4.3 · Structure no. 0328

Built
2014
11 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
2,700
2020 count
Owner
State
State Highway Agency

About this bridge

Halibut Point Road over Granite Creek is a prestressed concrete tee beam carrying Halibut Point Road over Granite Creek in Sitka City and Borough, Alaska. It was built in 2014, so it is 11 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.

It carries about 2,700 vehicles a day, roughly 14% of them trucks, projected to reach 3,460 by 2039. The structure is 103 ft (31.4 m) long and 52 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHalibut Point Road
CrossesGranite Creek
LocationMile Point 4.3
RouteState Highway 935
StateAlaska
Coordinates57.10083, -135.39861
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.7 US tons
Inventory rating57.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHL 93
Structure length103 ft (31.4 m)
Longest span98 ft (29.9 m)
Deck width52 ft (15.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,700 (2020)
Projected traffic3,460 by 2039
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes

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 Halibut Point Road over Granite Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Halibut Point Road over Granite 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 May 2023.

How much traffic does Halibut Point Road over Granite Creek carry?

About 2,700 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Halibut Point Road over Granite Creek?

The structure is 103 ft (31.4 m) long with a longest span of 98 ft (29.9 m) and a deck 52 ft wide.

Who owns Halibut Point Road over Granite Creek?

It is owned by the State Highway Agency.