US Bridges

Denali Park Road over Teklanika River

Fair

Yukon-Koyukuk Census Area, Alaska · 31.43 Miles West of Ak Ro · Structure no. 9830008P0000000

Built
1955
70 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
334 ft
6 main spans
Daily traffic
1,300
2007 count
Owner
Federal
National Park Service

About this bridge

Denali Park Road over Teklanika River is a steel stringer/multi-beam or girder carrying Denali Park Road over Teklanika River in Yukon-Koyukuk Census Area, Alaska. It was built in 1955, so it is 70 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 1,300 vehicles a day, roughly 1% of them trucks, projected to reach 1,560 by 2027. The structure is 334 ft (101.8 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesDenali Park Road
CrossesTeklanika River
Location31.43 Miles West of Ak Ro
RouteFederal Lands Road 0
CountyYukon-Koyukuk Census Area
StateAlaska
Coordinates63.64292, -149.56444
Functional classRural Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length334 ft (101.8 m)
Longest span55 ft (16.8 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2007)
Projected traffic1,560 by 2027
Trucks1%
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

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$53,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Denali Park Road over Teklanika River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Denali Park Road over Teklanika River 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 August 2023.

How much traffic does Denali Park Road over Teklanika River carry?

About 1,300 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is Denali Park Road over Teklanika River?

The structure is 334 ft (101.8 m) long with a longest span of 55 ft (16.8 m) and a deck 29 ft wide.

Who owns Denali Park Road over Teklanika River?

It is owned by the National Park Service.