US Bridges

Millerton Road over Friant-Kern Canal

Fair

Fresno County, California · 0.5 MI E of N Fork RD · Structure no. 42C0254

Built
1979
46 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
146 ft
2 main spans
Daily traffic
7,400
2011 count
Owner
County
County Highway Agency

About this bridge

Millerton Road over Friant-Kern Canal is a prestressed concrete stringer/multi-beam or girder carrying Millerton Road over Friant-Kern Canal in Fresno County, California. It was built in 1979, so it is 46 years old, younger 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 7,400 vehicles a day, roughly 5% of them trucks, projected to reach 8,016 by 2043. The structure is 146 ft (44.5 m) long and 35 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMillerton Road
CrossesFriant-Kern Canal
Location0.5 MI E of N Fork RD
RouteCounty Highway 0
CountyFresno County
StateCalifornia
Coordinates36.9925, -119.70382
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.8 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length146 ft (44.5 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2011)
Projected traffic8,016 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Millerton Road over Friant-Kern Canal built?

It was built in 1979, making it 46 years old in 2025.

What condition is Millerton Road over Friant-Kern 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 2025.

How much traffic does Millerton Road over Friant-Kern Canal carry?

About 7,400 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Millerton Road over Friant-Kern Canal?

The structure is 146 ft (44.5 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns Millerton Road over Friant-Kern Canal?

It is owned by the County Highway Agency.