US Bridges

Denali Park Road over Savage River

Fair

Yukon-Koyukuk Census Area, Alaska · 14.89 Miles West of Ak Ro · Structure no. 9830005P0000000

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
301 ft
3 main spans
Daily traffic
1,300
2013 count
Owner
Federal
National Park Service

About this bridge

Denali Park Road over Savage River is a prestressed concrete tee beam carrying Denali Park Road over Savage River in Yukon-Koyukuk 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 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 2033. The structure is 301 ft (91.7 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDenali Park Road
CrossesSavage River
Location14.89 Miles West of Ak Ro
RouteFederal Lands Road 0
StateAlaska
Coordinates63.73892, -149.29486
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 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 rating61 US tons
Inventory rating38 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span105 ft (32 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2013)
Projected traffic1,560 by 2033
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$375,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Denali Park Road over Savage River built?

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

What condition is Denali Park Road over Savage 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 Savage River carry?

About 1,300 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Denali Park Road over Savage River?

The structure is 301 ft (91.7 m) long with a longest span of 105 ft (32 m) and a deck 31 ft wide.

Who owns Denali Park Road over Savage River?

It is owned by the National Park Service.