US Bridges

Troy Street over Spring Valley Creek

Good

San Diego County, California · 0.3MI E/O Sweetwater RD · Structure no. 57C0751

Built
1975
50 years old, rebuilt 1993
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
1,846
2016 count
Owner
County
County Highway Agency

About this bridge

Troy Street over Spring Valley Creek is a concrete culvert carrying Troy Street over Spring Valley Creek in San Diego County, California. It was built in 1975 and reconstructed in 1993, so it is 50 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,846 vehicles a day, roughly 1% of them trucks, projected to reach 3,741 by 2045. The structure is 27 ft (8.1 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTroy Street
CrossesSpring Valley Creek
Location0.3MI E/O Sweetwater RD
RouteCity Street 0
Coordinates32.7366, -117.00914
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length27 ft (8.1 m)
Longest span12 ft (3.7 m)
Deck width55 ft (16.9 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,846 (2016)
Projected traffic3,741 by 2045
Trucks1%
Lanes on structure3
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 Troy Street over Spring Valley Creek built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1993.

What condition is Troy Street over Spring Valley Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Troy Street over Spring Valley Creek carry?

About 1,846 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Troy Street over Spring Valley Creek?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m) and a deck 55 ft wide.

Who owns Troy Street over Spring Valley Creek?

It is owned by the County Highway Agency.