US Bridges

Grand Ave over 4th ST Kosciuszko Way

Good

Los Angeles County, California · At 4th St. Kosciuszko Wa · Structure no. 53C1184

Built
1975
50 years old, rebuilt 1996
Condition
Good
inspected August 2024
Type
Tee Beam
Concrete Continuous
Length
1,575 ft
18 main spans
Daily traffic
17,492
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Grand Ave over 4th ST Kosciuszko Way is a concrete continuous tee beam carrying Grand Ave over 4th ST Kosciuszko Way in Los Angeles County, California. It was built in 1975 and reconstructed in 1996, so it is 50 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 17,492 vehicles a day, roughly 1% of them trucks, projected to reach 22,578 by 2044. The structure is 1,575 ft (480 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGrand Ave
Crosses4th ST Kosciuszko Way
LocationAt 4th St. Kosciuszko Wa
RouteCity Street 0
Coordinates34.05139, -118.25257
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20 + Mod
Structure length1,575 ft (480 m)
Longest span110 ft (33.5 m)
Deck width110 ft (33.5 m)
Roadway width66 ft (20 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,492 (2018)
Projected traffic22,578 by 2044
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Grand Ave over 4th ST Kosciuszko Way built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1996.

What condition is Grand Ave over 4th ST Kosciuszko Way 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 August 2024.

How much traffic does Grand Ave over 4th ST Kosciuszko Way carry?

About 17,492 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Grand Ave over 4th ST Kosciuszko Way?

The structure is 1,575 ft (480 m) long with a longest span of 110 ft (33.5 m) and a deck 110 ft wide.

Who owns Grand Ave over 4th ST Kosciuszko Way?

It is owned by the City or Municipal Highway Agency.