US Bridges

Hoppe Road over Reservation Main Drain

Good

Imperial County, California · 0.3 MI E/O Mcdaniel RD · Structure no. 58C0213

Built
1950
75 years old, rebuilt 1987
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Hoppe Road over Reservation Main Drain is a wood or timber stringer/multi-beam or girder carrying Hoppe Road over Reservation Main Drain in Imperial County, California. It was built in 1950 and reconstructed in 1987, so it is 75 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 50 vehicles a day, projected to reach 55 by 2045. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHoppe Road
CrossesReservation Main Drain
Location0.3 MI E/O Mcdaniel RD
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.79271, -114.56952
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic55 by 2045
Trucks—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hoppe Road over Reservation Main Drain built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1987.

What condition is Hoppe Road over Reservation Main Drain 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 October 2023.

How much traffic does Hoppe Road over Reservation Main Drain carry?

About 50 vehicles per day (2023 count).

How long is Hoppe Road over Reservation Main Drain?

The structure is 46 ft (14 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Hoppe Road over Reservation Main Drain?

It is owned by the County Highway Agency.