Structure 1690101 · Stokes County, NC

Sr1712 over Zilphy Creek

Carries Sr1712 over Zilphy Creek, 0.4 Mi. N. Jct. Sr1732.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
23 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 23 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built200620 years old
Length23.0 ft7 m
Daily traffic730counted 2015
Last inspectedFebruary 2021every 48 months

Location

StateNorth Carolina
CountyStokes
Location0.4 Mi. N. Jct. Sr1732
CarriesSr1712
CrossesZilphy Creek
Coordinates36.37205, -80.13282

Physical Characteristics

MaterialAluminum/Wrought Iron/Cast Iron
DesignCulvert
Total Length23.0 ft (7 m)
Max Span23.0 ft (7 m)
Deck Area51.1 sq m
Main Spans1
Year Built2006

Traffic

Avg Daily Traffic730 (2015)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001690101

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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