Structure 54C0217 · San Bernardino County, CA

Lytle Creek Road over Lytle Creek

Carries Lytle Creek Road over Lytle Creek, 2.4 Mi Nly Of I-15.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 33 ft across with 2 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.

Built196066 years old
Length33.1 ft10.1 m
Daily traffic2,442counted 2015
Last inspectedJuly 2023every 24 months

Location

StateCalifornia
CountySan Bernardino
Location2.4 Mi Nly Of I-15
CarriesLytle Creek Road
CrossesLytle Creek
Coordinates34.21180, -117.45766

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length33.1 ft (10.1 m)
Max Span16.1 ft (4.9 m)
Deck Width45.6 ft (13.9 m)
Deck Area140.4 sq m
Main Spans2
Year Built1960

Traffic

Avg Daily Traffic2,442 (2015)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number54C0217

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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