US Bridges

Alaska Highway over Gardiner Creek

Fair

Southeast Fairbanks Census Area, Alaska · Mile Point 24.2 · Structure no. 0503

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
220
2020 count
Owner
State
State Highway Agency

About this bridge

Alaska Highway over Gardiner Creek is a prestressed concrete tee beam carrying Alaska Highway over Gardiner Creek in Southeast Fairbanks Census Area, Alaska. It was built in 1983, so it is 42 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 5 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 220 vehicles a day, roughly 25% of them trucks, projected to reach 400 by 2039. The structure is 119 ft (36.3 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAlaska Highway
CrossesGardiner Creek
LocationMile Point 24.2
RouteInterstate 0A11
StateAlaska
Coordinates62.85362, -141.45972
Functional classRural Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating39.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span117 ft (35.7 m)
Deck width37 ft (11.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic400 by 2039
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Alaska Highway over Gardiner Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Alaska Highway over Gardiner 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 2024.

How much traffic does Alaska Highway over Gardiner Creek carry?

About 220 vehicles per day (2020 count), of which roughly 25% are trucks.

How long is Alaska Highway over Gardiner Creek?

The structure is 119 ft (36.3 m) long with a longest span of 117 ft (35.7 m) and a deck 37 ft wide.

Who owns Alaska Highway over Gardiner Creek?

It is owned by the State Highway Agency.