US Bridges

S110-S405 Connectr over I 110

Fair

Los Angeles County, California · 07-LA-110-8.75-LA · Structure no. 53 1137F

Built
1961
64 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
241 ft
4 main spans
Daily traffic
19,950
2020 count
Owner
State
State Highway Agency

About this bridge

S110-S405 Connectr over I 110 is a concrete continuous box beam or girders - multiple carrying S110-S405 Connectr over I 110 in Los Angeles County, California. It was built in 1961, so it is 64 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 19,950 vehicles a day, roughly 2% of them trucks, projected to reach 23,933 by 2046. The structure is 241 ft (73.5 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS110-S405 Connectr
CrossesI 110
Location07-LA-110-8.75-LA
RouteInterstate 110
Coordinates33.85672, -118.28505
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length241 ft (73.5 m)
Longest span80 ft (24.4 m)
Deck width39 ft (11.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,950 (2020)
Projected traffic23,933 by 2046
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 S110-S405 Connectr over I 110 built?

It was built in 1961, making it 64 years old in 2025.

What condition is S110-S405 Connectr over I 110 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does S110-S405 Connectr over I 110 carry?

About 19,950 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is S110-S405 Connectr over I 110?

The structure is 241 ft (73.5 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns S110-S405 Connectr over I 110?

It is owned by the State Highway Agency.