US Bridges

N710-E&W10 Connect over I 710 I 10 Conns Ramona

Fair

Los Angeles County, California · 07-LA-710-T31.40-MONP · Structure no. 53 1447G

Built
1960
65 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
1,367 ft
18 main spans
Daily traffic
45,500
2017 count
Owner
State
State Highway Agency

About this bridge

N710-E&W10 Connect over I 710 I 10 Conns Ramona is a concrete continuous box beam or girders - multiple carrying N710-E&W10 Connect over I 710 I 10 Conns Ramona in Los Angeles County, California. It was built in 1960, so it is 65 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 6 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 45,500 vehicles a day, roughly 2% of them trucks, projected to reach 64,129 by 2042. The structure is 1,367 ft (416.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN710-E&W10 Connect
CrossesI 710 I 10 Conns Ramona
Location07-LA-710-T31.40-MONP
RouteInterstate 710
CountyLos Angeles County
StateCalifornia
Coordinates34.05947, -118.16501
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110 US tons
Inventory rating62.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadHS 20
Structure length1,367 ft (416.8 m)
Longest span104 ft (31.7 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,500 (2017)
Projected traffic64,129 by 2042
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N710-E&W10 Connect over I 710 I 10 Conns Ramona built?

It was built in 1960, making it 65 years old in 2025.

What condition is N710-E&W10 Connect over I 710 I 10 Conns Ramona 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 September 2024.

How much traffic does N710-E&W10 Connect over I 710 I 10 Conns Ramona carry?

About 45,500 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is N710-E&W10 Connect over I 710 I 10 Conns Ramona?

The structure is 1,367 ft (416.8 m) long with a longest span of 104 ft (31.7 m) and a deck 34 ft wide.

Who owns N710-E&W10 Connect over I 710 I 10 Conns Ramona?

It is owned by the State Highway Agency.