US Bridges

U.S. Highway 101 over Gower Street

Fair

Los Angeles County, California · 07-LA-101-6.91-LA · Structure no. 53 0679

Built
1952
73 years old, rebuilt 1977
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
165 ft
1 main span
Daily traffic
154,000
2020 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over Gower Street is a concrete box beam or girders - multiple carrying U.S. Highway 101 over Gower Street in Los Angeles County, California. It was built in 1952 and reconstructed in 1977, so it is 73 years old, older than the California average of 54.8 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 154,000 vehicles a day, roughly 10% of them trucks, projected to reach 208,227 by 2042. The structure is 165 ft (50.2 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesGower Street
Location07-LA-101-6.91-LA
RouteU.S. Route 101
Coordinates34.1045, -118.32229
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length165 ft (50.2 m)
Longest span131 ft (40 m)
Deck width141 ft (42.9 m)
Roadway width132 ft (40.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154,000 (2020)
Projected traffic208,227 by 2042
Trucks10%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 U.S. Highway 101 over Gower Street built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1977.

What condition is U.S. Highway 101 over Gower Street 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 February 2024.

How much traffic does U.S. Highway 101 over Gower Street carry?

About 154,000 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is U.S. Highway 101 over Gower Street?

The structure is 165 ft (50.2 m) long with a longest span of 131 ft (40 m) and a deck 141 ft wide.

Who owns U.S. Highway 101 over Gower Street?

It is owned by the State Highway Agency.