US Bridges

Omalley Road over C ST Uc at Omalley WB

Good

Anchorage Municipality, Alaska · C ST South under · Structure no. 2082

Built
2006
19 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
223 ft
2 main spans
Daily traffic
10,900
2020 count
Owner
State
State Highway Agency

About this bridge

Omalley Road over C ST Uc at Omalley WB is a prestressed concrete tee beam carrying Omalley Road over C ST Uc at Omalley WB in Anchorage Municipality, Alaska. It was built in 2006, so it is 19 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 10,900 vehicles a day, roughly 4% of them trucks, projected to reach 19,600 by 2039. The structure is 223 ft (68 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOmalley Road
CrossesC ST Uc at Omalley WB
LocationC ST South under
RouteState Highway 42
StateAlaska
Coordinates61.12361, -149.88639
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating101.9 US tons
Inventory rating47 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHL 93
Structure length223 ft (68 m)
Longest span110 ft (33.6 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,900 (2020)
Projected traffic19,600 by 2039
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Omalley Road over C ST Uc at Omalley WB built?

It was built in 2006, making it 19 years old in 2025.

What condition is Omalley Road over C ST Uc at Omalley WB 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 2023.

How much traffic does Omalley Road over C ST Uc at Omalley WB carry?

About 10,900 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Omalley Road over C ST Uc at Omalley WB?

The structure is 223 ft (68 m) long with a longest span of 110 ft (33.6 m) and a deck 39 ft wide.

Who owns Omalley Road over C ST Uc at Omalley WB?

It is owned by the State Highway Agency.