US Bridges

25th ST over Acta

Fair

Los Angeles County, California · 0.2MI E/O Alameda ST · Structure no. 53C2118

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
7,419
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

25th ST over Acta is a prestressed concrete stringer/multi-beam or girder carrying 25th ST over Acta in Los Angeles County, California. It was built in 2001, so it is 24 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 5 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 7,419 vehicles a day, roughly 20% of them trucks, projected to reach 8,532 by 2042. The structure is 93 ft (28.2 m) long and 60 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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Carries25th ST
CrossesActa
Location0.2MI E/O Alameda ST
RouteCity Street 0Q612
CountyLos Angeles County
StateCalifornia
Coordinates34.01466, -118.23839
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.2 m)
Longest span49 ft (15 m)
Deck width60 ft (18.2 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,419 (2017)
Projected traffic8,532 by 2042
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 25th ST over Acta built?

It was built in 2001, making it 24 years old in 2025.

What condition is 25th 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 September 2024.

How much traffic does 25th ST over Acta carry?

About 7,419 vehicles per day (2017 count), of which roughly 20% are trucks.

How long is 25th ST over Acta?

The structure is 93 ft (28.2 m) long with a longest span of 49 ft (15 m) and a deck 60 ft wide.

Who owns 25th ST over Acta?

It is owned by the City or Municipal Highway Agency.