US Bridges

Yermo RD over Manix Wash

PoorClosed to traffic

San Bernardino County, California · 4.4 MI NE Harvard RD · Structure no. 54C0107

Built
1929
96 years old, rebuilt 1952
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
135 ft
7 main spans
Daily traffic
1
2015 count
Owner
County
County Highway Agency

About this bridge

Yermo RD over Manix Wash is a wood or timber stringer/multi-beam or girder carrying Yermo RD over Manix Wash in San Bernardino County, California. It was built in 1929 and reconstructed in 1952, so it is 96 years old, older 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. Its operating status is: closed to all traffic.

It carries about 1 vehicles a day, roughly 1% of them trucks, projected to reach 1 by 2045. The structure is 135 ft (41.1 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesYermo RD
CrossesManix Wash
Location4.4 MI NE Harvard RD
RouteCounty Highway 0
Coordinates34.99058, -116.57565
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourUnknown foundation; not evaluated for scour
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans7
Design loadUnknown
Structure length135 ft (41.1 m)
Longest span19 ft (5.8 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2015)
Projected traffic1 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$1.3 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Yermo RD over Manix Wash built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1952.

What condition is Yermo RD over Manix Wash 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 November 2024.

How much traffic does Yermo RD over Manix Wash carry?

About 1 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Yermo RD over Manix Wash?

The structure is 135 ft (41.1 m) long with a longest span of 19 ft (5.8 m) and a deck 28 ft wide.

Who owns Yermo RD over Manix Wash?

It is owned by the County Highway Agency.