US Bridges

Jalama RD over Jalama Creek

Fair

Santa Barbara County, California · 12.13 MI West S.H. 1 · Structure no. 51C0019

Built
1948
77 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
59 ft
3 main spans
Daily traffic
417
2011 count
Owner
County
County Highway Agency

About this bridge

Jalama RD over Jalama Creek is a steel continuous stringer/multi-beam or girder carrying Jalama RD over Jalama Creek in Santa Barbara County, California. It was built in 1948, so it is 77 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 417 vehicles a day, roughly 2% of them trucks, projected to reach 807 by 2041. The structure is 59 ft (18 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesJalama RD
CrossesJalama Creek
Location12.13 MI West S.H. 1
RouteCounty Highway 0
Coordinates34.51372, -120.4849
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length59 ft (18 m)
Longest span29 ft (8.8 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2011)
Projected traffic807 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Jalama RD over Jalama Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is Jalama RD over Jalama 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 May 2023.

How much traffic does Jalama RD over Jalama Creek carry?

About 417 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Jalama RD over Jalama Creek?

The structure is 59 ft (18 m) long with a longest span of 29 ft (8.8 m) and a deck 25 ft wide.

Who owns Jalama RD over Jalama Creek?

It is owned by the County Highway Agency.