US Bridges

Interstate 110 over UP RR Spur

Good

Los Angeles County, California · 07-LA-110-2.50-LA · Structure no. 53 0977

Built
1956
69 years old, rebuilt 1991
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
41 ft
1 main span
Daily traffic
93,900
2020 count
Owner
State
State Highway Agency

About this bridge

Interstate 110 over UP RR Spur is a concrete box beam or girders - multiple carrying Interstate 110 over UP RR Spur in Los Angeles County, California. It was built in 1956 and reconstructed in 1991, so it is 69 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 93,900 vehicles a day, roughly 6% of them trucks, projected to reach 113,243 by 2044. The structure is 41 ft (12.5 m) long and 141 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 110
CrossesUP RR Spur
Location07-LA-110-2.50-LA
RouteInterstate 110
Coordinates33.76777, -118.2814
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating53.6 US tons
Inventory rating38.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.5 m)
Deck width141 ft (43 m)
Roadway width136 ft (41.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,900 (2020)
Projected traffic113,243 by 2044
Trucks6%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 110 over UP RR Spur built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1991.

What condition is Interstate 110 over UP RR Spur 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 February 2024.

How much traffic does Interstate 110 over UP RR Spur carry?

About 93,900 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Interstate 110 over UP RR Spur?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.5 m) and a deck 141 ft wide.

Who owns Interstate 110 over UP RR Spur?

It is owned by the State Highway Agency.