US Bridges

Weaver RD over Central Main Canal

PoorPosted for load

Imperial County, California · 20 Ft E/O Austin RD · Structure no. 58C0139

Built
1950
75 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
62 ft
4 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Weaver RD over Central Main Canal is a wood or timber stringer/multi-beam or girder carrying Weaver RD over Central Main 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 110 by 2041. The structure is 62 ft (18.9 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWeaver RD
CrossesCentral Main Canal
Location20 Ft E/O Austin RD
RouteCounty Highway 0
Coordinates32.93423, -115.58637
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.6 US tons
Inventory rating13.2 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic110 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$240,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Weaver RD over Central Main Canal built?

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

What condition is Weaver RD over Central Main Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does Weaver RD over Central Main Canal carry?

About 100 vehicles per day (2019 count).

How long is Weaver RD over Central Main Canal?

The structure is 62 ft (18.9 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Weaver RD over Central Main Canal?

It is owned by the County Highway Agency.