US Bridges

Loop Rd/C Street over Anchorage Port Access

Fair

Anchorage Municipality, Alaska · Mile Point 0.6 · Structure no. 0455

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,655 ft
19 main spans
Daily traffic
3,910
2020 count
Owner
State
State Highway Agency

About this bridge

Loop Rd/C Street over Anchorage Port Access is a steel continuous stringer/multi-beam or girder carrying Loop Rd/C Street over Anchorage Port Access in Anchorage Municipality, Alaska. It was built in 1975, so it is 50 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 3,910 vehicles a day, roughly 47% of them trucks, projected to reach 9,140 by 2039. The structure is 2,655 ft (809.2 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLoop Rd/C Street
CrossesAnchorage Port Access
LocationMile Point 0.6
RouteState Highway 527
StateAlaska
Coordinates61.22327, -149.88508
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating37.4 US tons
Inventory rating34.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans19
Design loadHS 20
Structure length2,655 ft (809.2 m)
Longest span151 ft (46 m)
Deck width70 ft (21.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,910 (2020)
Projected traffic9,140 by 2039
Trucks47%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed1.2 mi (2 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 Loop Rd/C Street over Anchorage Port Access built?

It was built in 1975, making it 50 years old in 2025.

What condition is Loop Rd/C Street over Anchorage Port Access 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 Loop Rd/C Street over Anchorage Port Access carry?

About 3,910 vehicles per day (2020 count), of which roughly 47% are trucks.

How long is Loop Rd/C Street over Anchorage Port Access?

The structure is 2,655 ft (809.2 m) long with a longest span of 151 ft (46 m) and a deck 70 ft wide.

Who owns Loop Rd/C Street over Anchorage Port Access?

It is owned by the State Highway Agency.