US Bridges

SR 2 over Round Top DR

Fair

Los Angeles County, California · 07-LA-002-R17.78-LA · Structure no. 53 1975

Built
1976
49 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
143,000
2020 count
Owner
State
State Highway Agency

About this bridge

SR 2 over Round Top DR is a prestressed concrete box beam or girders - multiple carrying SR 2 over Round Top DR in Los Angeles County, California. It was built in 1976, so it is 49 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 143,000 vehicles a day, roughly 2% of them trucks, projected to reach 147,142 by 2041. The structure is 114 ft (34.7 m) long and 165 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 2
CrossesRound Top DR
Location07-LA-002-R17.78-LA
RouteState Highway 2
CountyLos Angeles County
StateCalifornia
Coordinates34.13212, -118.22908
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 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 alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span112 ft (34.1 m)
Deck width165 ft (50.2 m)
Roadway width161 ft (49 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic143,000 (2020)
Projected traffic147,142 by 2041
Trucks2%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
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 SR 2 over Round Top DR built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR 2 over Round Top DR 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 November 2023.

How much traffic does SR 2 over Round Top DR carry?

About 143,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is SR 2 over Round Top DR?

The structure is 114 ft (34.7 m) long with a longest span of 112 ft (34.1 m) and a deck 165 ft wide.

Who owns SR 2 over Round Top DR?

It is owned by the State Highway Agency.