US Bridges

Pole Line Road over Eagle River

FairPosted for load

Anchorage Municipality, Alaska · Approximately 0.6 Miles S · Structure no. AFAKFSXB95109

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Truss - Thru
Steel
Length
140 ft
1 main span
Daily traffic
100
2015 count
Owner
Federal
Air Force

About this bridge

Pole Line Road over Eagle River is a steel truss - thru carrying Pole Line Road over Eagle River in Anchorage Municipality, Alaska. It was built in 1970, so it is 55 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 120 by 2035. The structure is 140 ft (42.7 m) long and 12 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesPole Line Road
CrossesEagle River
LocationApproximately 0.6 Miles S
CountyAnchorage Municipality
StateAlaska
Coordinates61.31738, -149.60348
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length140 ft (42.7 m)
Longest span140 ft (42.7 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2015)
Projected traffic120 by 2035
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$143,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pole Line Road over Eagle River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pole Line Road over Eagle 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 Pole Line Road over Eagle River carry?

About 100 vehicles per day (2015 count).

How long is Pole Line Road over Eagle River?

The structure is 140 ft (42.7 m) long with a longest span of 140 ft (42.7 m) and a deck 12 ft wide.

Who owns Pole Line Road over Eagle River?

It is owned by the Air Force.