US Bridges

Dalton Highway over Oksrukuyik Creek No. 1

Good

North Slope Borough, Alaska · Mile Point 298.0 · Structure no. 4018

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Culvert
Steel
Length
37 ft
2 main spans
Daily traffic
130
2020 count
Owner
State
State Highway Agency

About this bridge

Dalton Highway over Oksrukuyik Creek No. 1 is a steel culvert carrying Dalton Highway over Oksrukuyik Creek No. 1 in North Slope Borough, Alaska. It was built in 2012, so it is 13 years old, younger than the Alaska average of 35.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 130 vehicles a day, roughly 75% of them trucks, projected to reach 190 by 2039. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 123.7 mi (199 km).

CarriesDalton Highway
CrossesOksrukuyik Creek No. 1
LocationMile Point 298.0
RouteState Highway 65
StateAlaska
Coordinates68.68735, -149.09631
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length37 ft (11.3 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic190 by 2039
Trucks75%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Dalton Highway over Oksrukuyik Creek No. 1 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Dalton Highway over Oksrukuyik Creek No. 1 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Dalton Highway over Oksrukuyik Creek No. 1 carry?

About 130 vehicles per day (2020 count), of which roughly 75% are trucks.

How long is Dalton Highway over Oksrukuyik Creek No. 1?

The structure is 37 ft (11.3 m) long with a longest span of 15 ft (4.6 m).

Who owns Dalton Highway over Oksrukuyik Creek No. 1?

It is owned by the State Highway Agency.