US Bridges

Eastside DR over Ridge Ditch

Poor

Madera County, California · 0.1 MI E RD #11 · Structure no. 41C0115

Built
1972
53 years old
Condition
Poor
inspected March 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Eastside DR over Ridge Ditch is a prestressed concrete slab carrying Eastside DR over Ridge Ditch in Madera County, California. It was built in 1972, so it is 53 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 100 vehicles a day, roughly 12% of them trucks, projected to reach 163 by 2042. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesEastside DR
CrossesRidge Ditch
Location0.1 MI E RD #11
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates36.80609, -120.34752
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.7 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic163 by 2042
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$324,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Eastside DR over Ridge Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Eastside DR over Ridge Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Eastside DR over Ridge Ditch carry?

About 100 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Eastside DR over Ridge Ditch?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Eastside DR over Ridge Ditch?

It is owned by the County Highway Agency.