US Bridges

Mrtn L King Jr Ave over Sptco

Good

Los Angeles County, California · 0.7MI N/O SR-1 HWY · Structure no. 53C0864

Built
1957
68 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
111 ft
2 main spans
Daily traffic
6,695
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mrtn L King Jr Ave over Sptco is a prestressed concrete stringer/multi-beam or girder carrying Mrtn L King Jr Ave over Sptco in Los Angeles County, California. It was built in 1957, so it is 68 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 6,695 vehicles a day, roughly 1% of them trucks, projected to reach 7,699 by 2043. The structure is 111 ft (33.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMrtn L King Jr Ave
CrossesSptco
Location0.7MI N/O SR-1 HWY
RouteCity Street 0Q897
Coordinates33.79956, -118.18059
Functional classUrban Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating23.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length111 ft (33.8 m)
Longest span53 ft (16.2 m)
Deck width59 ft (17.9 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,695 (2013)
Projected traffic7,699 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 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 Mrtn L King Jr Ave over Sptco built?

It was built in 1957, making it 68 years old in 2025.

What condition is Mrtn L King Jr Ave over Sptco 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 May 2023.

How much traffic does Mrtn L King Jr Ave over Sptco carry?

About 6,695 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Mrtn L King Jr Ave over Sptco?

The structure is 111 ft (33.8 m) long with a longest span of 53 ft (16.2 m) and a deck 59 ft wide.

Who owns Mrtn L King Jr Ave over Sptco?

It is owned by the City or Municipal Highway Agency.