US Bridges

Fisher Road over Reservation Main Drain

FairClosed to traffic

Imperial County, California · 0.4 MI N/O Ross RD · Structure no. 58C0116

Built
1940
85 years old, rebuilt 1991
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
45 ft
3 main spans
Daily traffic
51
2021 count
Owner
County
County Highway Agency

About this bridge

Fisher Road over Reservation Main Drain is a wood or timber stringer/multi-beam or girder carrying Fisher Road over Reservation Main Drain in Imperial County, California. It was built in 1940 and reconstructed in 1991, so it is 85 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.

It carries about 51 vehicles a day, roughly 1% of them trucks, projected to reach 62 by 2043. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFisher Road
CrossesReservation Main Drain
Location0.4 MI N/O Ross RD
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.78801, -114.58184
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2021)
Projected traffic62 by 2043
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Fisher Road over Reservation Main Drain built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1991.

What condition is Fisher Road over Reservation Main Drain in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

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

About 51 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Fisher Road over Reservation Main Drain?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Fisher Road over Reservation Main Drain?

It is owned by the County Highway Agency.