US Bridges

Marmion Way over State Route 110

Good

Los Angeles County, California · 07-LA-110-29.28-LA · Structure no. 53 0445

Built
1940
85 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
252 ft
3 main spans
Daily traffic
7,000
2019 count
Owner
State
State Highway Agency

About this bridge

Marmion Way over State Route 110 is a concrete continuous slab carrying Marmion Way over State Route 110 in Los Angeles County, California. It was built in 1940, so it is 85 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,556 by 2041. The structure is 252 ft (76.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarmion Way
CrossesState Route 110
Location07-LA-110-29.28-LA
RouteCity Street 0
Coordinates34.11128, -118.18063
Functional classUrban Minor Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 15
Structure length252 ft (76.8 m)
Longest span71 ft (21.6 m)
Deck width46 ft (14 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2019)
Projected traffic7,556 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marmion Way over State Route 110 built?

It was built in 1940, making it 85 years old in 2025.

What condition is Marmion Way over State Route 110 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 June 2023.

How much traffic does Marmion Way over State Route 110 carry?

About 7,000 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Marmion Way over State Route 110?

The structure is 252 ft (76.8 m) long with a longest span of 71 ft (21.6 m) and a deck 46 ft wide.

Who owns Marmion Way over State Route 110?

It is owned by the State Highway Agency.