US Bridges

Union ST over Metro

Fair

Los Angeles County, California · 145FT W/O Arroyo Pkwy · Structure no. 53C2290

Built
2003
22 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete
Length
28 ft
1 main span
Daily traffic
6,868
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Union ST over Metro is a concrete frame carrying Union ST over Metro in Los Angeles County, California. It was built in 2003, so it is 22 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,868 vehicles a day, roughly 1% of them trucks, projected to reach 7,898 by 2044. The structure is 28 ft (8.4 m) long and 50 ft wide.

Location

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CarriesUnion ST
CrossesMetro
Location145FT W/O Arroyo Pkwy
RouteCity Street 0
CountyLos Angeles County
StateCalifornia
Coordinates34.14673, -118.1483
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span26 ft (7.8 m)
Deck width50 ft (15.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,868 (2014)
Projected traffic7,898 by 2044
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
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 Union ST over Metro built?

It was built in 2003, making it 22 years old in 2025.

What condition is Union ST over Metro in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Union ST over Metro carry?

About 6,868 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Union ST over Metro?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.8 m) and a deck 50 ft wide.

Who owns Union ST over Metro?

It is owned by the City or Municipal Highway Agency.