US Bridges

74th ST over Acta

Fair

Los Angeles County, California · 50FT E/O Alameda ST · Structure no. 53C2229

Built
2007
18 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
909
2017 count
Owner
County
County Highway Agency

About this bridge

74th ST over Acta is a prestressed concrete stringer/multi-beam or girder carrying 74th ST over Acta in Los Angeles County, California. It was built in 2007, so it is 18 years old, younger 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 909 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2043. The structure is 67 ft (20.5 m) long and 65 ft wide.

Carries74th ST
CrossesActa
Location50FT E/O Alameda ST
RouteCounty Highway 0
Coordinates33.97288, -118.23428
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.5 m)
Longest span51 ft (15.6 m)
Deck width65 ft (19.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic909 (2017)
Projected traffic1,000 by 2043
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 74th ST over Acta built?

It was built in 2007, making it 18 years old in 2025.

What condition is 74th ST over Acta 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 December 2024.

How much traffic does 74th ST over Acta carry?

About 909 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is 74th ST over Acta?

The structure is 67 ft (20.5 m) long with a longest span of 51 ft (15.6 m) and a deck 65 ft wide.

Who owns 74th ST over Acta?

It is owned by the County Highway Agency.