US Bridges

W210-S710 Conn over Route 210 EB

Fair

Los Angeles County, California · 07-LA-210-R25.10-PAS · Structure no. 53 2255F

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
154 ft
1 main span
Daily traffic
15,200
2015 count
Owner
State
State Highway Agency

About this bridge

W210-S710 Conn over Route 210 EB is a prestressed concrete box beam or girders - multiple carrying W210-S710 Conn over Route 210 EB 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 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 15,200 vehicles a day, roughly 2% of them trucks, projected to reach 21,188 by 2042. The structure is 154 ft (46.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW210-S710 Conn
CrossesRoute 210 EB
Location07-LA-210-R25.10-PAS
RouteInterstate 210
Coordinates34.15139, -118.15421
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.1 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span152 ft (46.3 m)
Deck width53 ft (16.2 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,200 (2015)
Projected traffic21,188 by 2042
Trucks2%
Lanes on structure3
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 W210-S710 Conn over Route 210 EB built?

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

What condition is W210-S710 Conn over Route 210 EB 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 October 2023.

How much traffic does W210-S710 Conn over Route 210 EB carry?

About 15,200 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is W210-S710 Conn over Route 210 EB?

The structure is 154 ft (46.9 m) long with a longest span of 152 ft (46.3 m) and a deck 53 ft wide.

Who owns W210-S710 Conn over Route 210 EB?

It is owned by the State Highway Agency.