US Bridges

Nelda Street over White Oak Creek

Fair

Ventura County, California · 0.3 MI W Alscot Ave · Structure no. 52C0237

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nelda Street over White Oak Creek is a concrete culvert carrying Nelda Street over White Oak Creek in Ventura County, California. It was built in 1965, so it is 60 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 1,500 vehicles a day, roughly 1% of them trucks, projected to reach 1,567 by 2044. The structure is 22 ft (6.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNelda Street
CrossesWhite Oak Creek
Location0.3 MI W Alscot Ave
RouteCity Street 0
Coordinates34.27371, -118.67091
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
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
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width60 ft (18.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (2022)
Projected traffic1,567 by 2044
Trucks1%
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
Strategic Highway NetworkInterstate STRAHNET route

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 Nelda Street over White Oak Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nelda Street over White Oak Creek 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 2024.

How much traffic does Nelda Street over White Oak Creek carry?

About 1,500 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Nelda Street over White Oak Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 60 ft wide.

Who owns Nelda Street over White Oak Creek?

It is owned by the City or Municipal Highway Agency.