US Bridges

Fourth ST over Lorena ST & Bernal Ave

Good

Los Angeles County, California · At Lorena ST · Structure no. 53C0331

Built
1928
97 years old, rebuilt 2005
Condition
Good
inspected March 2023
Type
Arch - Deck
Concrete Continuous
Length
389 ft
3 main spans
Daily traffic
17,480
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Fourth ST over Lorena ST & Bernal Ave is a concrete continuous arch - deck carrying Fourth ST over Lorena ST & Bernal Ave in Los Angeles County, California. It was built in 1928 and reconstructed in 2005, so it is 97 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 17,480 vehicles a day, roughly 2% of them trucks, projected to reach 31,641 by 2042. The structure is 389 ft (118.5 m) long and 71 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFourth ST
CrossesLorena ST & Bernal Ave
LocationAt Lorena ST
RouteCity Street 0
Coordinates34.03452, -118.19836
Functional classUrban Other Principal 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 inspectionMarch 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 20
Structure length389 ft (118.5 m)
Longest span89 ft (27.1 m)
Deck width71 ft (21.6 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,480 (2016)
Projected traffic31,641 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Fourth ST over Lorena ST & Bernal Ave built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2005.

What condition is Fourth ST over Lorena ST & Bernal Ave 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 March 2023.

How much traffic does Fourth ST over Lorena ST & Bernal Ave carry?

About 17,480 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Fourth ST over Lorena ST & Bernal Ave?

The structure is 389 ft (118.5 m) long with a longest span of 89 ft (27.1 m) and a deck 71 ft wide.

Who owns Fourth ST over Lorena ST & Bernal Ave?

It is owned by the City or Municipal Highway Agency.