US Bridges

S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco

Good

Los Angeles County, California · 07-LA-110-26.12-LA · Structure no. 53 1457F

Built
1962
63 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
695 ft
5 main spans
Daily traffic
15,201
2020 count
Owner
State
State Highway Agency

About this bridge

S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco is a prestressed concrete tee beam carrying S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco in Los Angeles County, California. It was built in 1962, so it is 63 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 15,201 vehicles a day, roughly 2% of them trucks, projected to reach 16,512 by 2046. The structure is 695 ft (211.8 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesS110-N&S5 Connectr
CrossesST RTE 110 & Arroyo Seco
Location07-LA-110-26.12-LA
RouteState Highway 110
CountyLos Angeles County
StateCalifornia
Coordinates34.08526, -118.21871
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating83.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5 (+1 approach)
Design loadHS 20
Structure length695 ft (211.8 m)
Longest span123 ft (37.5 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,201 (2020)
Projected traffic16,512 by 2046
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco built?

It was built in 1962, making it 63 years old in 2025.

What condition is S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco 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 October 2024.

How much traffic does S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco carry?

About 15,201 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco?

The structure is 695 ft (211.8 m) long with a longest span of 123 ft (37.5 m) and a deck 34 ft wide.

Who owns S110-N&S5 Connectr over ST RTE 110 & Arroyo Seco?

It is owned by the State Highway Agency.