US Bridges

Arctic Valley Road over Gate Two Overcrossing

Fair

Anchorage Municipality, Alaska · Mile Point 1.0 · Structure no. 1326

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
238 ft
2 main spans
Daily traffic
8,400
2020 count
Owner
State
State Highway Agency

About this bridge

Arctic Valley Road over Gate Two Overcrossing is a prestressed concrete tee beam carrying Arctic Valley Road over Gate Two Overcrossing in Anchorage Municipality, Alaska. It was built in 1974, so it is 51 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 8,400 vehicles a day, roughly 4% of them trucks, projected to reach 11,700 by 2039. The structure is 238 ft (72.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesArctic Valley Road
CrossesGate Two Overcrossing
LocationMile Point 1.0
RouteCity Street 0
StateAlaska
Coordinates61.25333, -149.65972
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.8 US tons
Inventory rating34.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span119 ft (36.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,400 (2020)
Projected traffic11,700 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Arctic Valley Road over Gate Two Overcrossing built?

It was built in 1974, making it 51 years old in 2025.

What condition is Arctic Valley Road over Gate Two Overcrossing 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 July 2023.

How much traffic does Arctic Valley Road over Gate Two Overcrossing carry?

About 8,400 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Arctic Valley Road over Gate Two Overcrossing?

The structure is 238 ft (72.5 m) long with a longest span of 119 ft (36.3 m) and a deck 43 ft wide.

Who owns Arctic Valley Road over Gate Two Overcrossing?

It is owned by the State Highway Agency.