US Bridges

W Manning Ave over James Bypass Canal

Fair

Fresno County, California · 2.8 MI East of Colorado · Structure no. 42C0065

Built
1957
68 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
74 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
County
County Highway Agency

About this bridge

W Manning Ave over James Bypass Canal is a concrete channel beam carrying W Manning Ave over James Bypass Canal in Fresno County, California. It was built in 1957, so it is 68 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 6 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 2,000 vehicles a day, roughly 17% of them trucks, projected to reach 2,600 by 2045. The structure is 74 ft (22.6 m) long and 37 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

Location

Open in Google Maps
CarriesW Manning Ave
CrossesJames Bypass Canal
Location2.8 MI East of Colorado
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.60358, -120.13104
Functional classRural Major 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span30 ft (9.1 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic2,600 by 2045
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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 W Manning Ave over James Bypass Canal built?

It was built in 1957, making it 68 years old in 2025.

What condition is W Manning Ave over James Bypass 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 November 2023.

How much traffic does W Manning Ave over James Bypass Canal carry?

About 2,000 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is W Manning Ave over James Bypass Canal?

The structure is 74 ft (22.6 m) long with a longest span of 30 ft (9.1 m) and a deck 37 ft wide.

Who owns W Manning Ave over James Bypass Canal?

It is owned by the County Highway Agency.