US Bridges

E91-N710 Connector over I 710 W91-S710 N710-E91

Good

Los Angeles County, California · 07-LA-091-R11.65-LBCH · Structure no. 53 2241G

Built
1974
51 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
380 ft
4 main spans
Daily traffic
38,001
2019 count
Owner
State
State Highway Agency

About this bridge

E91-N710 Connector over I 710 W91-S710 N710-E91 is a prestressed concrete continuous stringer/multi-beam or girder carrying E91-N710 Connector over I 710 W91-S710 N710-E91 in Los Angeles County, California. It was built in 1974, so it is 51 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 38,001 vehicles a day, roughly 2% of them trucks, projected to reach 41,907 by 2040. The structure is 380 ft (115.8 m) long and 41 ft wide.

CarriesE91-N710 Connector
CrossesI 710 W91-S710 N710-E91
Location07-LA-091-R11.65-LBCH
RouteState Highway 91
Coordinates33.87474, -118.19387
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50.4 US tons
Inventory rating31.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length380 ft (115.8 m)
Longest span103 ft (31.4 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,001 (2019)
Projected traffic41,907 by 2040
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E91-N710 Connector over I 710 W91-S710 N710-E91 built?

It was built in 1974, making it 51 years old in 2025.

What condition is E91-N710 Connector over I 710 W91-S710 N710-E91 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 June 2023.

How much traffic does E91-N710 Connector over I 710 W91-S710 N710-E91 carry?

About 38,001 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is E91-N710 Connector over I 710 W91-S710 N710-E91?

The structure is 380 ft (115.8 m) long with a longest span of 103 ft (31.4 m) and a deck 41 ft wide.

Who owns E91-N710 Connector over I 710 W91-S710 N710-E91?

It is owned by the State Highway Agency.