US Bridges

Daggett-Yermo RD over Daggett Waterway

Fair

San Bernardino County, California · 0.3 MI N of I-40 · Structure no. 54C0182

Built
1950
75 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
2,928
2015 count
Owner
County
County Highway Agency

About this bridge

Daggett-Yermo RD over Daggett Waterway is a concrete continuous culvert carrying Daggett-Yermo RD over Daggett Waterway in San Bernardino County, California. It was built in 1950, so it is 75 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,928 vehicles a day, roughly 3% of them trucks, projected to reach 3,457 by 2045. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesDaggett-Yermo RD
CrossesDaggett Waterway
Location0.3 MI N of I-40
RouteCounty Highway 0
CountySan Bernardino County
StateCalifornia
Coordinates34.85786, -116.88923
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,928 (2015)
Projected traffic3,457 by 2045
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 Daggett-Yermo RD over Daggett Waterway built?

It was built in 1950, making it 75 years old in 2025.

What condition is Daggett-Yermo RD over Daggett Waterway in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Daggett-Yermo RD over Daggett Waterway carry?

About 2,928 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Daggett-Yermo RD over Daggett Waterway?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Daggett-Yermo RD over Daggett Waterway?

It is owned by the County Highway Agency.