US Bridges

Alaska Highway over Dry Creek

Fair

Southeast Fairbanks Census Area, Alaska · Mile Point 153.8 · Structure no. 0517

Built
1957
68 years old, rebuilt 1977
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
190
2020 count
Owner
State
State Highway Agency

About this bridge

Alaska Highway over Dry Creek is a steel stringer/multi-beam or girder carrying Alaska Highway over Dry Creek in Southeast Fairbanks Census Area, Alaska. It was built in 1957 and reconstructed in 1977, so it is 68 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 190 vehicles a day, roughly 26% of them trucks, projected to reach 260 by 2039. The structure is 42 ft (12.8 m) long and 37 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAlaska Highway
CrossesDry Creek
LocationMile Point 153.8
RouteInterstate 0A21
StateAlaska
Coordinates63.69165, -144.57324
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic190 (2020)
Projected traffic260 by 2039
Trucks26%
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 Dry Creek built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1977.

What condition is Alaska Highway over Dry 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 Dry Creek carry?

About 190 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is Alaska Highway over Dry Creek?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns Alaska Highway over Dry Creek?

It is owned by the State Highway Agency.