US Bridges

Livengood Road over Livengood Creek

Good

Yukon-Koyukuk Census Area, Alaska · Mile Point 3.9 · Structure no. 0811

Built
1994
31 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
48
2018 count
Owner
State
State Highway Agency

About this bridge

Livengood Road over Livengood Creek is a steel stringer/multi-beam or girder carrying Livengood Road over Livengood Creek in Yukon-Koyukuk Census Area, Alaska. It was built in 1994, so it is 31 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 48 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2035. The structure is 27 ft (8.1 m) long and 20 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesLivengood Road
CrossesLivengood Creek
LocationMile Point 3.9
RouteState Highway NSP00
StateAlaska
Coordinates65.523, -148.54607
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.6 US tons
Inventory rating41.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.1 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48 (2018)
Projected traffic70 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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 Livengood Road over Livengood Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Livengood Road over Livengood Creek 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 August 2024.

How much traffic does Livengood Road over Livengood Creek carry?

About 48 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is Livengood Road over Livengood Creek?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns Livengood Road over Livengood Creek?

It is owned by the State Highway Agency.