US Bridges

State Route 78 over Bondit Ditch

Good

Imperial County, California · 11-IMP-078-8.34 · Structure no. 58 0199

Built
1949
76 years old
Condition
Good
inspected January 2025
Type
Slab
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
1,200
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 78 over Bondit Ditch is a concrete continuous slab carrying State Route 78 over Bondit Ditch in Imperial County, California. It was built in 1949, so it is 76 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 1,200 vehicles a day, roughly 34% of them trucks, projected to reach 1,830 by 2046. The structure is 38 ft (11.6 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesState Route 78
CrossesBondit Ditch
Location11-IMP-078-8.34
RouteState Highway 78
Coordinates33.12577, -115.93848
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating39.7 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span14 ft (4.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic1,830 by 2046
Trucks34%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 78 over Bondit Ditch built?

It was built in 1949, making it 76 years old in 2025.

What condition is State Route 78 over Bondit Ditch 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 January 2025.

How much traffic does State Route 78 over Bondit Ditch carry?

About 1,200 vehicles per day (2019 count), of which roughly 34% are trucks.

How long is State Route 78 over Bondit Ditch?

The structure is 38 ft (11.6 m) long with a longest span of 14 ft (4.3 m) and a deck 43 ft wide.

Who owns State Route 78 over Bondit Ditch?

It is owned by the State Highway Agency.