US Bridges

Highland Valley RD over Santa Maria Crk S Brnch

Fair

San Diego County, California · 0.24 MI Nw/O SR 67 · Structure no. 57C0738

Built
1994
31 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
1,900
2023 count
Owner
County
County Highway Agency

About this bridge

Highland Valley RD over Santa Maria Crk S Brnch is a concrete continuous culvert carrying Highland Valley RD over Santa Maria Crk S Brnch in San Diego County, California. It was built in 1994, so it is 31 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 1,900 vehicles a day, roughly 2% of them trucks, projected to reach 2,002 by 2045. The structure is 47 ft (14.4 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHighland Valley RD
CrossesSanta Maria Crk S Brnch
Location0.24 MI Nw/O SR 67
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates33.01584, -116.91143
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length47 ft (14.4 m)
Longest span9 ft (2.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2023)
Projected traffic2,002 by 2045
Trucks2%
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

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Highland Valley RD over Santa Maria Crk S Brnch built?

It was built in 1994, making it 31 years old in 2025.

What condition is Highland Valley RD over Santa Maria Crk S Brnch 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 August 2023.

How much traffic does Highland Valley RD over Santa Maria Crk S Brnch carry?

About 1,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Highland Valley RD over Santa Maria Crk S Brnch?

The structure is 47 ft (14.4 m) long with a longest span of 9 ft (2.6 m) and a deck 43 ft wide.

Who owns Highland Valley RD over Santa Maria Crk S Brnch?

It is owned by the County Highway Agency.