US Bridges

SR 1 over Little Sycamore Creek

Fair

Ventura County, California · 07-VEN-001-1.23 · Structure no. 52 0012

Built
1928
97 years old, rebuilt 1935
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
22 ft
1 main span
Daily traffic
11,600
2020 count
Owner
State
State Highway Agency

About this bridge

SR 1 over Little Sycamore Creek is a concrete tee beam carrying SR 1 over Little Sycamore Creek in Ventura County, California. It was built in 1928 and reconstructed in 1935, so it is 97 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 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 11,600 vehicles a day, roughly 3% of them trucks, projected to reach 15,294 by 2042. The structure is 22 ft (6.7 m) long and 67 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesSR 1
CrossesLittle Sycamore Creek
Location07-VEN-001-1.23
RouteState Highway 1
Coordinates34.05365, -118.96423
Functional classRural Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.5 US tons
Inventory rating22.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width67 ft (20.4 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2020)
Projected traffic15,294 by 2042
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1 over Little Sycamore Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1935.

What condition is SR 1 over Little Sycamore 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 January 2024.

How much traffic does SR 1 over Little Sycamore Creek carry?

About 11,600 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SR 1 over Little Sycamore Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 67 ft wide.

Who owns SR 1 over Little Sycamore Creek?

It is owned by the State Highway Agency.