US Bridges

Parks Highway over Bear Creek

Fair

Denali Borough, Alaska · Mile Point 233.8 · Structure no. 0311

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
81 ft
3 main spans
Daily traffic
910
2020 count
Owner
State
State Highway Agency

About this bridge

Parks Highway over Bear Creek is a steel continuous stringer/multi-beam or girder carrying Parks Highway over Bear Creek in Denali Borough, Alaska. It was built in 1965, so it is 60 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 910 vehicles a day, roughly 17% of them trucks, projected to reach 1,210 by 2039. The structure is 81 ft (24.7 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesParks Highway
CrossesBear Creek
LocationMile Point 233.8
RouteInterstate 0A44
StateAlaska
Coordinates64.13426, -149.25489
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating35.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic910 (2020)
Projected traffic1,210 by 2039
Trucks17%
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 Parks Highway over Bear Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Parks Highway over Bear 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 Parks Highway over Bear Creek carry?

About 910 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Parks Highway over Bear Creek?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 40 ft wide.

Who owns Parks Highway over Bear Creek?

It is owned by the State Highway Agency.