Structure 54C0132 · San Bernardino County, CA

Nat Trails HWY over Workman Wash

Carries Nat Trails HWY over Workman Wash, 0.5 Mi N/o RTE 40.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 7/9Substructure 6/9 · sets the rating

26 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a deck arch.

Built1890136 years old
Length25.9 ft7.9 m
Daily traffic146counted 2022
Last inspectedFebruary 2024every 24 months

Location

StateCalifornia
CountySan Bernardino
Location0.5 Mi N/o RTE 40
CarriesNat Trails HWY
CrossesWorkman Wash
Coordinates34.72462, -114.49343

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length25.9 ft (7.9 m)
Max Span24.0 ft (7.3 m)
Deck Area64.8 sq m
Main Spans1
Year Built1890

Traffic

Avg Daily Traffic146 (2022)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number54C0132

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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