Structure 50 0402L · Kern County, CA

State Route 14 SB over Up Rr & Bnsf Ry

Carries State Route 14 SB over Up Rr & Bnsf Ry, 09-ker-014-r15.33.

Overall conditionFair

Set by its lowest-rated component: Deck at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT628 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

628 ft end to end, longest span 185 ft: about 1.7 football fields. Lengths and the semi-truck 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 box-beam bridge.

Built199036 years old
Length628.0 ft191.4 m
Daily traffic8,975counted 2014
Last inspectedApril 2023every 24 months

Location

StateCalifornia
CountyKern
Location09-ker-014-r15.33
CarriesState Route 14 SB
CrossesUp Rr & Bnsf Ry
Coordinates35.03785, -118.16976

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length628.0 ft (191.4 m)
Max Span185.0 ft (56.4 m)
Deck Width40.4 ft (12.3 m)
Deck Area2354.2 sq m
Main Spans4
Year Built1990

Traffic

Avg Daily Traffic8,975 (2014)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number50 0402L

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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