US Bridges

Viejas Blvd over Descanso Creek

Good

San Diego County, California · 0.9 MI Nw/O SR 79 · Structure no. 57C0345

Built
1942
83 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
1,600
2016 count
Owner
County
County Highway Agency

About this bridge

Viejas Blvd over Descanso Creek is a concrete tee beam carrying Viejas Blvd over Descanso Creek in San Diego County, California. It was built in 1942, so it is 83 years old, older 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 1,600 vehicles a day, roughly 2% of them trucks, projected to reach 1,650 by 2041. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesViejas Blvd
CrossesDescanso Creek
Location0.9 MI Nw/O SR 79
RouteCounty Highway 0
Coordinates32.8577, -116.60806
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2016)
Projected traffic1,650 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Viejas Blvd over Descanso Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is Viejas Blvd over Descanso 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 May 2023.

How much traffic does Viejas Blvd over Descanso Creek carry?

About 1,600 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Viejas Blvd over Descanso Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Viejas Blvd over Descanso Creek?

It is owned by the County Highway Agency.