US Bridges

Glacier Highway over Auke Creek Culverts

Fair

Juneau City and Borough, Alaska · Auke Lake · Structure no. 4024

Built
1950
75 years old, rebuilt 1980
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
8,860
2020 count
Owner
State
State Highway Agency

About this bridge

Glacier Highway over Auke Creek Culverts is a concrete culvert carrying Glacier Highway over Auke Creek Culverts in Juneau City and Borough, Alaska. It was built in 1950 and reconstructed in 1980, so it is 75 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 8,860 vehicles a day, roughly 9% of them trucks, projected to reach 18,900 by 2039. The structure is 26 ft (8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesGlacier Highway
CrossesAuke Creek Culverts
LocationAuke Lake
RouteState Highway 93
StateAlaska
Coordinates58.3825, -134.63722
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length26 ft (8 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,860 (2020)
Projected traffic18,900 by 2039
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

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 Glacier Highway over Auke Creek Culverts built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1980.

What condition is Glacier Highway over Auke Creek Culverts 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 June 2023.

How much traffic does Glacier Highway over Auke Creek Culverts carry?

About 8,860 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Glacier Highway over Auke Creek Culverts?

The structure is 26 ft (8 m) long with a longest span of 8 ft (2.4 m).

Who owns Glacier Highway over Auke Creek Culverts?

It is owned by the State Highway Agency.