US Bridges

East Yermo RD over Yermo Ditch

Good

San Bernardino County, California · Btwn Yermo RD & Fwy · Structure no. 54C0652

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
170 ft
7 main spans
Daily traffic
760
2015 count
Owner
County
County Highway Agency

About this bridge

East Yermo RD over Yermo Ditch is a concrete continuous slab carrying East Yermo RD over Yermo Ditch in San Bernardino County, California. It was built in 1963, so it is 62 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 760 vehicles a day, roughly 7% of them trucks, projected to reach 942 by 2045. The structure is 170 ft (51.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Yermo RD
CrossesYermo Ditch
LocationBtwn Yermo RD & Fwy
RouteCounty Highway 0
Coordinates34.90877, -116.80932
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 inspectionNovember 2024
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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 20
Structure length170 ft (51.9 m)
Longest span24 ft (7.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2015)
Projected traffic942 by 2045
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 East Yermo RD over Yermo Ditch built?

It was built in 1963, making it 62 years old in 2025.

What condition is East Yermo RD over Yermo Ditch 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 November 2024.

How much traffic does East Yermo RD over Yermo Ditch carry?

About 760 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is East Yermo RD over Yermo Ditch?

The structure is 170 ft (51.9 m) long with a longest span of 24 ft (7.3 m) and a deck 43 ft wide.

Who owns East Yermo RD over Yermo Ditch?

It is owned by the County Highway Agency.