US Bridges

Marshall Ave over Forester Creek

Fair

San Diego County, California · 185FT E/O Cuyamaca ST · Structure no. 57C0727

Built
2000
25 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
13,400
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Marshall Ave over Forester Creek is a prestressed concrete box beam or girders - multiple carrying Marshall Ave over Forester Creek in San Diego County, California. It was built in 2000, so it is 25 years old, younger 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 13,400 vehicles a day, roughly 2% of them trucks, projected to reach 17,929 by 2042. The structure is 120 ft (36.5 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMarshall Ave
CrossesForester Creek
Location185FT E/O Cuyamaca ST
RouteCity Street 0
Coordinates32.82762, -116.98303
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length120 ft (36.5 m)
Longest span115 ft (35 m)
Deck width78 ft (23.8 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2016)
Projected traffic17,929 by 2042
Trucks2%
Lanes on structure4
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Marshall Ave over Forester Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is Marshall Ave 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 September 2023.

How much traffic does Marshall Ave over Forester Creek carry?

About 13,400 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Marshall Ave over Forester Creek?

The structure is 120 ft (36.5 m) long with a longest span of 115 ft (35 m) and a deck 78 ft wide.

Who owns Marshall Ave over Forester Creek?

It is owned by the City or Municipal Highway Agency.