US Bridges

Nelson Pit RD over East Highline Canal

Fair

Imperial County, California · 1.2 MI E/O Miller RD · Structure no. 58C0121

Built
1950
75 years old
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
120 ft
8 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

Nelson Pit RD over East Highline Canal is a wood or timber stringer/multi-beam or girder carrying Nelson Pit RD over East Highline Canal in Imperial County, California. It was built in 1950, 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 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.

It carries about 100 vehicles a day, projected to reach 136 by 2044. The structure is 120 ft (36.6 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNelson Pit RD
CrossesEast Highline Canal
Location1.2 MI E/O Miller RD
RouteCounty Highway 0
CountyImperial County
StateCalifornia
Coordinates32.8032, -115.27963
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating31.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans8
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span16 ft (4.9 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic136 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nelson Pit RD over East Highline Canal built?

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

What condition is Nelson Pit RD over East Highline Canal 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 January 2024.

How much traffic does Nelson Pit RD over East Highline Canal carry?

About 100 vehicles per day (2022 count).

How long is Nelson Pit RD over East Highline Canal?

The structure is 120 ft (36.6 m) long with a longest span of 16 ft (4.9 m) and a deck 18 ft wide.

Who owns Nelson Pit RD over East Highline Canal?

It is owned by the County Highway Agency.