Structure 54C0595 · San Bernardino County, CA

Mesquite Springs R over 29 Palms Fl Cont Channel

Carries Mesquite Springs R over 29 Palms Fl Cont Channel, 0.05 Mi N RTE 62.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 45 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built198640 years old
Length44.9 ft13.7 m
Daily traffic3,164counted 2016
Last inspectedJuly 2023every 48 months

Location

StateCalifornia
CountySan Bernardino
Location0.05 Mi N RTE 62
CarriesMesquite Springs R
Crosses29 Palms Fl Cont Channel
Coordinates34.13643, -116.07186

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length44.9 ft (13.7 m)
Max Span14.1 ft (4.3 m)
Deck Width42.0 ft (12.8 m)
Deck Area175.4 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic3,164 (2016)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number54C0595

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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