US Bridges

Jones LN -Co RD 61 over Westside Canal

Good

Modoc County, California · 0.7 MI W of SH 395 · Structure no. 03C0127

Built
2013
12 years old
Condition
Good
inspected April 2023
Type
Slab
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
50
2014 count
Owner
County
County Highway Agency

About this bridge

Jones LN -Co RD 61 over Westside Canal is a prestressed concrete slab carrying Jones LN -Co RD 61 over Westside Canal in Modoc County, California. It was built in 2013, so it is 12 years old, younger 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, roughly 3% of them trucks, projected to reach 77 by 2045. The structure is 54 ft (16.5 m) long and 28 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

CarriesJones LN -Co RD 61
CrossesWestside Canal
Location0.7 MI W of SH 395
RouteCounty Highway 0
Coordinates41.40061, -120.55355
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length54 ft (16.5 m)
Longest span53 ft (16.3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2014)
Projected traffic77 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed13.7 mi (22 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Jones LN -Co RD 61 over Westside Canal built?

It was built in 2013, making it 12 years old in 2025.

What condition is Jones LN -Co RD 61 over Westside Canal 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 April 2023.

How much traffic does Jones LN -Co RD 61 over Westside Canal carry?

About 50 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Jones LN -Co RD 61 over Westside Canal?

The structure is 54 ft (16.5 m) long with a longest span of 53 ft (16.3 m) and a deck 28 ft wide.

Who owns Jones LN -Co RD 61 over Westside Canal?

It is owned by the County Highway Agency.