US Bridges

Mission Gorge RD over Forester Creek

Fair

San Diego County, California · 0.7MI W/O Cuyamaca ST · Structure no. 57C0166

Built
1959
66 years old, rebuilt 2008
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
197 ft
6 main spans
Daily traffic
10,997
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mission Gorge RD over Forester Creek is a concrete continuous slab carrying Mission Gorge RD over Forester Creek in San Diego County, California. It was built in 1959 and reconstructed in 2008, so it is 66 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 10,997 vehicles a day, roughly 5% of them trucks, projected to reach 15,000 by 2041. The structure is 197 ft (60 m) long and 102 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMission Gorge RD
CrossesForester Creek
Location0.7MI W/O Cuyamaca ST
RouteCity Street 0
Coordinates32.83852, -116.99711
Functional classUrban Other Principal 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length197 ft (60 m)
Longest span39 ft (12 m)
Deck width102 ft (31.2 m)
Roadway width89 ft (27.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,997 (2022)
Projected traffic15,000 by 2041
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Gorge RD over Forester Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2008.

What condition is Mission Gorge RD over Forester Creek 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 March 2024.

How much traffic does Mission Gorge RD over Forester Creek carry?

About 10,997 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Mission Gorge RD over Forester Creek?

The structure is 197 ft (60 m) long with a longest span of 39 ft (12 m) and a deck 102 ft wide.

Who owns Mission Gorge RD over Forester Creek?

It is owned by the City or Municipal Highway Agency.