US Bridges

Walnut ST over Metro

Good

Los Angeles County, California · 0.1MI E/O Fair Oaks Ave · Structure no. 53C0367

Built
1976
49 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
19,326
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut ST over Metro is a concrete slab carrying Walnut ST over Metro in Los Angeles County, California. It was built in 1976, so it is 49 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 19,326 vehicles a day, roughly 2% of them trucks, projected to reach 23,191 by 2042. The structure is 37 ft (11.2 m) long and 82 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWalnut ST
CrossesMetro
Location0.1MI E/O Fair Oaks Ave
RouteCity Street 0
Coordinates34.14947, -118.14706
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 inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.5 US tons
Inventory rating61.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.2 m)
Longest span32 ft (9.8 m)
Deck width82 ft (25.1 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,326 (2012)
Projected traffic23,191 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 Walnut ST over Metro built?

It was built in 1976, making it 49 years old in 2025.

What condition is Walnut ST over Metro 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 July 2022.

How much traffic does Walnut ST over Metro carry?

About 19,326 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is Walnut ST over Metro?

The structure is 37 ft (11.2 m) long with a longest span of 32 ft (9.8 m) and a deck 82 ft wide.

Who owns Walnut ST over Metro?

It is owned by the City or Municipal Highway Agency.