US Bridges

N5-ALAMEDA AVE-N5 over Alameda Ave

Good

Los Angeles County, California · 07-LA-005-28.43-BRB · Structure no. 53 1082S

Built
1957
68 years old, rebuilt 2016
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
107 ft
2 main spans
Daily traffic
8,010
2018 count
Owner
State
State Highway Agency

About this bridge

N5-ALAMEDA AVE-N5 over Alameda Ave is a steel stringer/multi-beam or girder carrying N5-ALAMEDA AVE-N5 over Alameda Ave in Los Angeles County, California. It was built in 1957 and reconstructed in 2016, so it is 68 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 8,010 vehicles a day, roughly 2% of them trucks, projected to reach 9,830 by 2041. The structure is 107 ft (32.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesN5-ALAMEDA AVE-N5
CrossesAlameda Ave
Location07-LA-005-28.43-BRB
RouteInterstate 5
CountyLos Angeles County
StateCalifornia
Coordinates34.17039, -118.30393
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length107 ft (32.5 m)
Longest span51 ft (15.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,010 (2018)
Projected traffic9,830 by 2041
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 N5-ALAMEDA AVE-N5 over Alameda Ave built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2016.

What condition is N5-ALAMEDA AVE-N5 over Alameda 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 September 2024.

How much traffic does N5-ALAMEDA AVE-N5 over Alameda Ave carry?

About 8,010 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is N5-ALAMEDA AVE-N5 over Alameda Ave?

The structure is 107 ft (32.5 m) long with a longest span of 51 ft (15.6 m) and a deck 31 ft wide.

Who owns N5-ALAMEDA AVE-N5 over Alameda Ave?

It is owned by the State Highway Agency.