US Bridges

Douglas DR over San Luis Rey River

Fair

San Diego County, California · 1.0MI N/O Route 76 · Structure no. 57C0010

Built
1965
60 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
639 ft
13 main spans
Daily traffic
33,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Douglas DR over San Luis Rey River is a concrete continuous tee beam carrying Douglas DR over San Luis Rey River in San Diego County, California. It was built in 1965, so it is 60 years old, older 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 5 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 33,800 vehicles a day, roughly 2% of them trucks, projected to reach 45,000 by 2040. The structure is 639 ft (194.8 m) long and 64 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesDouglas DR
CrossesSan Luis Rey River
Location1.0MI N/O Route 76
RouteCity Street 0
Coordinates33.23955, -117.32248
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating45 US tons
Inventory rating34.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20
Structure length639 ft (194.8 m)
Longest span51 ft (15.5 m)
Deck width64 ft (19.4 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,800 (2022)
Projected traffic45,000 by 2040
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Douglas DR over San Luis Rey River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Douglas DR over San Luis Rey River 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 June 2023.

How much traffic does Douglas DR over San Luis Rey River carry?

About 33,800 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Douglas DR over San Luis Rey River?

The structure is 639 ft (194.8 m) long with a longest span of 51 ft (15.5 m) and a deck 64 ft wide.

Who owns Douglas DR over San Luis Rey River?

It is owned by the City or Municipal Highway Agency.