US Bridges

W105-S110 Conn over 105 & 110 Broadway 117th

Good

Los Angeles County, California · 07-LA-105-R7.43-LA · Structure no. 53 2407F

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,963 ft
12 main spans
Daily traffic
20,400
2016 count
Owner
State
State Highway Agency

About this bridge

W105-S110 Conn over 105 & 110 Broadway 117th is a prestressed concrete continuous box beam or girders - multiple carrying W105-S110 Conn over 105 & 110 Broadway 117th in Los Angeles County, California. It was built in 1991, so it is 34 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 20,400 vehicles a day, roughly 2% of them trucks, projected to reach 22,894 by 2042. The structure is 1,963 ft (598.3 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW105-S110 Conn
Crosses105 & 110 Broadway 117th
Location07-LA-105-R7.43-LA
RouteInterstate 105
Coordinates33.92644, -118.28159
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length1,963 ft (598.3 m)
Longest span196 ft (59.7 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deck19 ft (5.6 m)

Traffic and service

Average daily traffic20,400 (2016)
Projected traffic22,894 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 statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was W105-S110 Conn over 105 & 110 Broadway 117th built?

It was built in 1991, making it 34 years old in 2025.

What condition is W105-S110 Conn over 105 & 110 Broadway 117th 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 W105-S110 Conn over 105 & 110 Broadway 117th carry?

About 20,400 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is W105-S110 Conn over 105 & 110 Broadway 117th?

The structure is 1,963 ft (598.3 m) long with a longest span of 196 ft (59.7 m) and a deck 38 ft wide.

Who owns W105-S110 Conn over 105 & 110 Broadway 117th?

It is owned by the State Highway Agency.