US Bridges

Telegraph RD over Adams Barranca

Fair

Ventura County, California · 0.8 MI W Peck RD · Structure no. 52C0068

Built
1916
109 years old, rebuilt 1930
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
4,500
2019 count
Owner
County
County Highway Agency

About this bridge

Telegraph RD over Adams Barranca is a concrete tee beam carrying Telegraph RD over Adams Barranca in Ventura County, California. It was built in 1916 and reconstructed in 1930, so it is 109 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 4,500 vehicles a day, roughly 1% of them trucks, projected to reach 6,091 by 2046. The structure is 27 ft (8.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTelegraph RD
CrossesAdams Barranca
Location0.8 MI W Peck RD
RouteCounty Highway 0
Coordinates34.3339, -119.09575
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2019)
Projected traffic6,091 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Telegraph RD over Adams Barranca built?

It was built in 1916, making it 109 years old in 2025. It was reconstructed in 1930.

What condition is Telegraph RD over Adams Barranca 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 April 2024.

How much traffic does Telegraph RD over Adams Barranca carry?

About 4,500 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Telegraph RD over Adams Barranca?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 41 ft wide.

Who owns Telegraph RD over Adams Barranca?

It is owned by the County Highway Agency.