US Bridges

Old Highway 395 over Moosa Canyon Creek

Good

San Diego County, California · 450FT N/O Gopher Cyn RD · Structure no. 57C0502

Built
1943
82 years old
Condition
Good
inspected June 2023
Type
Culvert
Masonry
Length
63 ft
5 main spans
Daily traffic
6,100
2023 count
Owner
County
County Highway Agency

About this bridge

Old Highway 395 over Moosa Canyon Creek is a masonry culvert carrying Old Highway 395 over Moosa Canyon Creek in San Diego County, California. It was built in 1943, so it is 82 years old, older 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 6,100 vehicles a day, roughly 1% of them trucks, projected to reach 7,434 by 2045. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Highway 395
CrossesMoosa Canyon Creek
Location450FT N/O Gopher Cyn RD
RouteCounty Highway 0
Coordinates33.25414, -117.15404
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.7 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialMasonry
DeckNot applicable
Main spans5
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2023)
Projected traffic7,434 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Old Highway 395 over Moosa Canyon Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is Old Highway 395 over Moosa Canyon Creek 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 June 2023.

How much traffic does Old Highway 395 over Moosa Canyon Creek carry?

About 6,100 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Old Highway 395 over Moosa Canyon Creek?

The structure is 63 ft (19.2 m) long with a longest span of 12 ft (3.6 m).

Who owns Old Highway 395 over Moosa Canyon Creek?

It is owned by the County Highway Agency.