US Bridges

Riverside RD over Bishop Creek Canal

Good

Inyo County, California · 0.7 MI E Brockman Lane · Structure no. 48C0048

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
80
2017 count
Owner
County
County Highway Agency

About this bridge

Riverside RD over Bishop Creek Canal is a prestressed concrete slab carrying Riverside RD over Bishop Creek Canal in Inyo County, California. It was built in 2011, so it is 14 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 122 by 2041. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRiverside RD
CrossesBishop Creek Canal
Location0.7 MI E Brockman Lane
RouteCounty Highway 0
Coordinates37.39778, -118.41946
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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length48 ft (14.6 m)
Longest span46 ft (13.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2017)
Projected traffic122 by 2041
Trucks2%
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 Riverside RD over Bishop Creek Canal built?

It was built in 2011, making it 14 years old in 2025.

What condition is Riverside RD over Bishop Creek 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 September 2023.

How much traffic does Riverside RD over Bishop Creek Canal carry?

About 80 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Riverside RD over Bishop Creek Canal?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (13.9 m) and a deck 31 ft wide.

Who owns Riverside RD over Bishop Creek Canal?

It is owned by the County Highway Agency.