US Bridges

Mallum Ridge RD over North Fork Willow Creek

Good

Madera County, California · 0.7 MI E Road 222 · Structure no. 41C0070

Built
1958
67 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
116 ft
3 main spans
Daily traffic
2,400
2015 count
Owner
County
County Highway Agency

About this bridge

Mallum Ridge RD over North Fork Willow Creek is a concrete continuous tee beam carrying Mallum Ridge RD over North Fork Willow Creek in Madera County, California. It was built in 1958, so it is 67 years old, older 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 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 3,816 by 2041. The structure is 116 ft (35.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMallum Ridge RD
CrossesNorth Fork Willow Creek
Location0.7 MI E Road 222
RouteCounty Highway 0
Coordinates37.33356, -119.56941
Functional classRural Major Collector

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 inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating84.3 US tons
Inventory rating50.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length116 ft (35.4 m)
Longest span80 ft (24.4 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2015)
Projected traffic3,816 by 2041
Trucks5%
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 Mallum Ridge RD over North Fork Willow Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Mallum Ridge RD over North Fork Willow Creek 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 Mallum Ridge RD over North Fork Willow Creek carry?

About 2,400 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Mallum Ridge RD over North Fork Willow Creek?

The structure is 116 ft (35.4 m) long with a longest span of 80 ft (24.4 m) and a deck 30 ft wide.

Who owns Mallum Ridge RD over North Fork Willow Creek?

It is owned by the County Highway Agency.