US Bridges

E105-N605 Conn over Rmp Conn 105 605 Imp

Good

Los Angeles County, California · 07-LA-105-R17.64-NRW · Structure no. 53 2702G

Built
1993
32 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,117 ft
12 main spans
Daily traffic
6,560
2020 count
Owner
State
State Highway Agency

About this bridge

E105-N605 Conn over Rmp Conn 105 605 Imp is a prestressed concrete continuous box beam or girders - multiple carrying E105-N605 Conn over Rmp Conn 105 605 Imp in Los Angeles County, California. It was built in 1993, so it is 32 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 6,560 vehicles a day, roughly 9% of them trucks, projected to reach 9,943 by 2042. The structure is 2,117 ft (645.3 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesE105-N605 Conn
CrossesRmp Conn 105 605 Imp
Location07-LA-105-R17.64-NRW
RouteInterstate 105
Coordinates33.91346, -118.10838
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 length2,117 ft (645.3 m)
Longest span200 ft (61 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,560 (2020)
Projected traffic9,943 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 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 E105-N605 Conn over Rmp Conn 105 605 Imp built?

It was built in 1993, making it 32 years old in 2025.

What condition is E105-N605 Conn over Rmp Conn 105 605 Imp 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 2024.

How much traffic does E105-N605 Conn over Rmp Conn 105 605 Imp carry?

About 6,560 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is E105-N605 Conn over Rmp Conn 105 605 Imp?

The structure is 2,117 ft (645.3 m) long with a longest span of 200 ft (61 m) and a deck 42 ft wide.

Who owns E105-N605 Conn over Rmp Conn 105 605 Imp?

It is owned by the State Highway Agency.