US Bridges

Brabham ST over Sweet Water Tributary

Fair

San Diego County, California · At Jamacha Road · Structure no. 57C0806

Built
1991
34 years old
Condition
Fair
inspected April 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
10,215
2014 count
Owner
County
County Highway Agency

About this bridge

Brabham ST over Sweet Water Tributary is a concrete culvert carrying Brabham ST over Sweet Water Tributary in San Diego County, California. It was built in 1991, so it is 34 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 10,215 vehicles a day, roughly 1% of them trucks, projected to reach 12,000 by 2039. The structure is 25 ft (7.7 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrabham ST
CrossesSweet Water Tributary
LocationAt Jamacha Road
RouteCity Street 0
Coordinates32.74998, -116.92682
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span11 ft (3.5 m)
Deck width104 ft (31.6 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,215 (2014)
Projected traffic12,000 by 2039
Trucks1%
Lanes on structure4
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Brabham ST over Sweet Water Tributary built?

It was built in 1991, making it 34 years old in 2025.

What condition is Brabham ST over Sweet Water Tributary 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 2022.

How much traffic does Brabham ST over Sweet Water Tributary carry?

About 10,215 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Brabham ST over Sweet Water Tributary?

The structure is 25 ft (7.7 m) long with a longest span of 11 ft (3.5 m) and a deck 104 ft wide.

Who owns Brabham ST over Sweet Water Tributary?

It is owned by the County Highway Agency.