US Bridges

37th St-Sb 110 on over 39th ST S110-MLK Offrmp

Good

Los Angeles County, California · 07-LA-110-19.60-LA · Structure no. 53 2773K

Built
1996
29 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,017 ft
7 main spans
Daily traffic
5,000
2020 count
Owner
State
State Highway Agency

About this bridge

37th St-Sb 110 on over 39th ST S110-MLK Offrmp is a prestressed concrete continuous box beam or girders - multiple carrying 37th St-Sb 110 on over 39th ST S110-MLK Offrmp in Los Angeles County, California. It was built in 1996, so it is 29 years old, younger 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 10,338 by 2042. The structure is 1,017 ft (310 m) long and 25 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries37th St-Sb 110 on
Crosses39th ST S110-MLK Offrmp
Location07-LA-110-19.60-LA
RouteInterstate 110
Coordinates34.01181, -118.28139
Functional classUrban Principal Arterial - Interstate

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length1,017 ft (310 m)
Longest span152 ft (46.3 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2020)
Projected traffic10,338 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 37th St-Sb 110 on over 39th ST S110-MLK Offrmp built?

It was built in 1996, making it 29 years old in 2025.

What condition is 37th St-Sb 110 on over 39th ST S110-MLK Offrmp 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 2023.

How much traffic does 37th St-Sb 110 on over 39th ST S110-MLK Offrmp carry?

About 5,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is 37th St-Sb 110 on over 39th ST S110-MLK Offrmp?

The structure is 1,017 ft (310 m) long with a longest span of 152 ft (46.3 m) and a deck 25 ft wide.

Who owns 37th St-Sb 110 on over 39th ST S110-MLK Offrmp?

It is owned by the State Highway Agency.