US Bridges

Ashbridge DR over Private Drn #553

Good

Los Angeles County, California · 0.5MI S/O Sepulveda Blvd · Structure no. 53C1523

Built
1967
58 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
1,657
2014 count
Owner
County
County Highway Agency

About this bridge

Ashbridge DR over Private Drn #553 is a concrete culvert carrying Ashbridge DR over Private Drn #553 in Los Angeles County, California. It was built in 1967, so it is 58 years old, older than the California average of 54.8 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 1,657 vehicles a day, roughly 2% of them trucks, projected to reach 1,823 by 2042. The structure is 35 ft (10.7 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAshbridge DR
CrossesPrivate Drn #553
Location0.5MI S/O Sepulveda Blvd
RouteCounty Highway 0
Coordinates33.80727, -118.29657
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span8 ft (2.4 m)
Deck width80 ft (24.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,657 (2014)
Projected traffic1,823 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashbridge DR over Private Drn #553 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Ashbridge DR over Private Drn #553 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 September 2021.

How much traffic does Ashbridge DR over Private Drn #553 carry?

About 1,657 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Ashbridge DR over Private Drn #553?

The structure is 35 ft (10.7 m) long with a longest span of 8 ft (2.4 m) and a deck 80 ft wide.

Who owns Ashbridge DR over Private Drn #553?

It is owned by the County Highway Agency.