US Bridges

Greenfield Drive over Forester Creek Tributary

Good

San Diego County, California · 0.2MI E/O Pioneer@vernon · Structure no. 57C0755

Built
1971
54 years old, rebuilt 1991
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
11,400
2016 count
Owner
County
County Highway Agency

About this bridge

Greenfield Drive over Forester Creek Tributary is a concrete culvert carrying Greenfield Drive over Forester Creek Tributary in San Diego County, California. It was built in 1971 and reconstructed in 1991, so it is 54 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 11,400 vehicles a day, roughly 2% of them trucks, projected to reach 12,000 by 2041. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGreenfield Drive
CrossesForester Creek Tributary
Location0.2MI E/O Pioneer@vernon
RouteCounty Highway 0
Coordinates32.81291, -116.96421
Functional classUrban Collector

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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2016)
Projected traffic12,000 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Greenfield Drive over Forester Creek Tributary built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1991.

What condition is Greenfield Drive over Forester Creek Tributary 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 April 2024.

How much traffic does Greenfield Drive over Forester Creek Tributary carry?

About 11,400 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Greenfield Drive over Forester Creek Tributary?

The structure is 30 ft (9.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Greenfield Drive over Forester Creek Tributary?

It is owned by the County Highway Agency.