US Bridges

W10-N5 Conn over Conn Busway Metrolink

Good

Los Angeles County, California · 07-LA-010-18.41-LA · Structure no. 53 1333F

Built
1959
66 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
367 ft
4 main spans
Daily traffic
31,909
2018 count
Owner
State
State Highway Agency

About this bridge

W10-N5 Conn over Conn Busway Metrolink is a concrete continuous box beam or girders - multiple carrying W10-N5 Conn over Conn Busway Metrolink in Los Angeles County, California. It was built in 1959, so it is 66 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 31,909 vehicles a day, roughly 2% of them trucks, projected to reach 38,900 by 2042. The structure is 367 ft (111.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW10-N5 Conn
CrossesConn Busway Metrolink
Location07-LA-010-18.41-LA
RouteInterstate 10
Coordinates34.05613, -118.21369
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 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 alignment6: Equal to present minimum criteria
Operating rating96.8 US tons
Inventory rating58.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length367 ft (111.8 m)
Longest span122 ft (37.3 m)
Deck width42 ft (12.7 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,909 (2018)
Projected traffic38,900 by 2042
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 W10-N5 Conn over Conn Busway Metrolink built?

It was built in 1959, making it 66 years old in 2025.

What condition is W10-N5 Conn over Conn Busway Metrolink 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 May 2024.

How much traffic does W10-N5 Conn over Conn Busway Metrolink carry?

About 31,909 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is W10-N5 Conn over Conn Busway Metrolink?

The structure is 367 ft (111.8 m) long with a longest span of 122 ft (37.3 m) and a deck 42 ft wide.

Who owns W10-N5 Conn over Conn Busway Metrolink?

It is owned by the State Highway Agency.