US Bridges

Nordoff ST over Aliso Creek

Good

Los Angeles County, California · 0.15MI W/O Wilbur Ave · Structure no. 53C1257

Built
1969
56 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
32,970
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nordoff ST over Aliso Creek is a concrete continuous culvert carrying Nordoff ST over Aliso Creek in Los Angeles County, California. It was built in 1969, so it is 56 years old, older 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 32,970 vehicles a day, roughly 2% of them trucks, projected to reach 73,340 by 2042. The structure is 36 ft (11 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNordoff ST
CrossesAliso Creek
Location0.15MI W/O Wilbur Ave
RouteCity Street 0
Coordinates34.23537, -118.54772
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width100 ft (30.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,970 (2016)
Projected traffic73,340 by 2042
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Nordoff ST over Aliso Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Nordoff ST over Aliso Creek 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 October 2024.

How much traffic does Nordoff ST over Aliso Creek carry?

About 32,970 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Nordoff ST over Aliso Creek?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 100 ft wide.

Who owns Nordoff ST over Aliso Creek?

It is owned by the City or Municipal Highway Agency.