US Bridges

Graves Avenue over Pepper Drive Channel

Good

San Diego County, California · 0.25 MI S/O Pepper Drive · Structure no. 57C0641

Built
1978
47 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
5,644
2018 count
Owner
County
County Highway Agency

About this bridge

Graves Avenue over Pepper Drive Channel is a concrete culvert carrying Graves Avenue over Pepper Drive Channel in San Diego County, California. It was built in 1978, so it is 47 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 5,644 vehicles a day, roughly 1% of them trucks, projected to reach 6,281 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGraves Avenue
CrossesPepper Drive Channel
Location0.25 MI S/O Pepper Drive
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates32.82138, -116.96011
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 inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,644 (2018)
Projected traffic6,281 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Graves Avenue over Pepper Drive Channel built?

It was built in 1978, making it 47 years old in 2025.

What condition is Graves Avenue over Pepper Drive Channel 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 March 2022.

How much traffic does Graves Avenue over Pepper Drive Channel carry?

About 5,644 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Graves Avenue over Pepper Drive Channel?

The structure is 26 ft (7.9 m) long with a longest span of 6 ft (1.8 m).

Who owns Graves Avenue over Pepper Drive Channel?

It is owned by the County Highway Agency.