Structure 42 0208R · Fresno County, CA

State Route 99 NB over Bnsf Ry & Amtrak

Carries State Route 99 NB over Bnsf Ry & Amtrak, 06-fre-099-16.55.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT218 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

218 ft end to end, longest span 98 ft: about 3 semi-trucks nose to tail. 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.

Built196363 years old
Length217.8 ft66.4 m
Daily traffic48,000counted 2009
Last inspectedApril 2023every 24 months

Location

StateCalifornia
CountyFresno
Location06-fre-099-16.55
CarriesState Route 99 NB
CrossesBnsf Ry & Amtrak
Coordinates36.68529, -119.74994

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length217.8 ft (66.4 m)
Max Span98.1 ft (29.9 m)
Deck Width51.8 ft (15.8 m)
Deck Area1049.1 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic48,000 (2009)
Truck Traffic22%
Lanes On Bridge3

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 Number42 0208R

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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