US Bridges

N Jameson LN over San Ysidro Creek

Fair

Santa Barbara County, California · 0.45 MI E San Ysidro RD · Structure no. 51C0342

Built
2005
20 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
3,448
2015 count
Owner
County
County Highway Agency

About this bridge

N Jameson LN over San Ysidro Creek is a prestressed concrete box beam or girders - single or spread carrying N Jameson LN over San Ysidro Creek in Santa Barbara County, California. It was built in 2005, so it is 20 years old, younger 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 3,448 vehicles a day, roughly 3% of them trucks, projected to reach 6,873 by 2046. The structure is 80 ft (24.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Jameson LN
CrossesSan Ysidro Creek
Location0.45 MI E San Ysidro RD
RouteCounty Highway 0
Coordinates34.42103, -119.62381
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length80 ft (24.5 m)
Longest span75 ft (23 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,448 (2015)
Projected traffic6,873 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 N Jameson LN over San Ysidro Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is N Jameson LN over San Ysidro 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 February 2024.

How much traffic does N Jameson LN over San Ysidro Creek carry?

About 3,448 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is N Jameson LN over San Ysidro Creek?

The structure is 80 ft (24.5 m) long with a longest span of 75 ft (23 m) and a deck 36 ft wide.

Who owns N Jameson LN over San Ysidro Creek?

It is owned by the County Highway Agency.