US Bridges

RD 425B over China Creek

Good

Madera County, California · At Crane Valley RD · Structure no. 41C0205

Built
2014
11 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
3,000
2016 count
Owner
County
County Highway Agency

About this bridge

RD 425B over China Creek is a prestressed concrete slab carrying RD 425B over China Creek in Madera County, California. It was built in 2014, so it is 11 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 3,000 vehicles a day, roughly 10% of them trucks, projected to reach 5,130 by 2040. The structure is 52 ft (15.8 m) long and 64 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRD 425B
CrossesChina Creek
LocationAt Crane Valley RD
RouteCounty Highway 0
Coordinates37.32816, -119.64877
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 protection8 Very GoodNo 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum 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, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length52 ft (15.8 m)
Longest span50 ft (15.2 m)
Deck width64 ft (19.5 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2016)
Projected traffic5,130 by 2040
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 RD 425B over China Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is RD 425B over China 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 RD 425B over China Creek carry?

About 3,000 vehicles per day (2016 count), of which roughly 10% are trucks.

How long is RD 425B over China Creek?

The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 64 ft wide.

Who owns RD 425B over China Creek?

It is owned by the County Highway Agency.