US Bridges

Mission Center RD over San Diego River

Good

San Diego County, California · 0.3MI N/O RTE I-8 · Structure no. 57C0580

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
70 ft
7 main spans
Daily traffic
26,898
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission Center RD over San Diego River is a concrete culvert carrying Mission Center RD over San Diego River in San Diego County, California. It was built in 1990, so it is 35 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 26,898 vehicles a day, roughly 1% of them trucks, projected to reach 28,000 by 2041. The structure is 70 ft (21.3 m) long and 140 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMission Center RD
CrossesSan Diego River
Location0.3MI N/O RTE I-8
RouteCity Street 0
Coordinates32.76997, -117.15437
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 inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span9 ft (2.7 m)
Deck width140 ft (42.6 m)
Roadway width102 ft (31.2 m)
Vertical clearance over deck21 ft (6.5 m)

Traffic and service

Average daily traffic26,898 (2020)
Projected traffic28,000 by 2041
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Mission Center RD over San Diego River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mission Center RD over San Diego River 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 September 2024.

How much traffic does Mission Center RD over San Diego River carry?

About 26,898 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Mission Center RD over San Diego River?

The structure is 70 ft (21.3 m) long with a longest span of 9 ft (2.7 m) and a deck 140 ft wide.

Who owns Mission Center RD over San Diego River?

It is owned by the City or Municipal Highway Agency.