US Bridges

Norumbega DR over Sawpit Wash

Fair

Los Angeles County, California · 1.8MI N/O I-10 Fwy · Structure no. 53C1628

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
1,818
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Norumbega DR over Sawpit Wash is a prestressed concrete box beam or girders - multiple carrying Norumbega DR over Sawpit Wash in Los Angeles County, California. It was built in 1972, so it is 53 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 1,818 vehicles a day, roughly 2% of them trucks, projected to reach 2,000 by 2041. The structure is 49 ft (14.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNorumbega DR
CrossesSawpit Wash
Location1.8MI N/O I-10 Fwy
RouteCity Street 0QP05
CountyLos Angeles County
StateCalifornia
Coordinates34.16201, -117.99101
Functional classUrban Collector

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.9 US tons
Inventory rating58.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width39 ft (11.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,818 (2017)
Projected traffic2,000 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Norumbega DR over Sawpit Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is Norumbega DR over Sawpit Wash 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 May 2023.

How much traffic does Norumbega DR over Sawpit Wash carry?

About 1,818 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Norumbega DR over Sawpit Wash?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 39 ft wide.

Who owns Norumbega DR over Sawpit Wash?

It is owned by the City or Municipal Highway Agency.