Structure 43C0046 · San Benito County, CA

Murphy Road over Tres Pinos Creek

Carries Murphy Road over Tres Pinos Creek, East Of SR 25.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT195 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

195 ft end to end, longest span 39 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 multi-beam bridge.

Built196066 years old
Length194.6 ft59.3 m
Daily traffic200counted 2010
Last inspectedNovember 2024every 24 months

Location

StateCalifornia
CountySan Benito
LocationEast Of SR 25
CarriesMurphy Road
CrossesTres Pinos Creek
Coordinates36.74408, -121.27876

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length194.6 ft (59.3 m)
Max Span38.7 ft (11.8 m)
Deck Width15.4 ft (4.7 m)
Deck Area278.7 sq m
Main Spans5
Year Built1960

Traffic

Avg Daily Traffic200 (2010)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number43C0046

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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