US Bridges

Road 20 over Fresno River

Good

Madera County, California · 1.0 MI N Ave 15 · Structure no. 41C0113

Built
1973
52 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
214 ft
8 main spans
Daily traffic
99
2020 count
Owner
County
County Highway Agency

About this bridge

Road 20 over Fresno River is a concrete continuous slab carrying Road 20 over Fresno River in Madera County, California. It was built in 1973, so it is 52 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 99 vehicles a day, roughly 10% of them trucks, projected to reach 143 by 2042. The structure is 214 ft (65.2 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRoad 20
CrossesFresno River
Location1.0 MI N Ave 15
RouteCounty Highway 0
Coordinates36.98211, -120.18415
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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length214 ft (65.2 m)
Longest span28 ft (8.5 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99 (2020)
Projected traffic143 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Road 20 over Fresno River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Road 20 over Fresno River 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 March 2024.

How much traffic does Road 20 over Fresno River carry?

About 99 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Road 20 over Fresno River?

The structure is 214 ft (65.2 m) long with a longest span of 28 ft (8.5 m) and a deck 33 ft wide.

Who owns Road 20 over Fresno River?

It is owned by the County Highway Agency.