Structure 1110108 · McDowell County, NC

Sr1560 over North Fork Catawba River

Carries Sr1560 over North Fork Catawba River, 20 Ft.e.jct.sr1556.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT161 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 4/9 · sets the ratingSubstructure 6/9

161 ft end to end, longest span 39 ft: about 2 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 slab bridge.

Built197155 years old
Length160.8 ft49 m
Daily traffic350counted 2015
Last inspectedDecember 2023every 24 months

Location

StateNorth Carolina
CountyMcDowell
Location20 Ft.e.jct.sr1556
CarriesSr1560
CrossesNorth Fork Catawba River
Coordinates35.80264, -82.01775

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length160.8 ft (49 m)
Max Span38.7 ft (11.8 m)
Deck Width24.6 ft (7.5 m)
Deck Area367.5 sq m
Main Spans4
Year Built1971

Traffic

Avg Daily Traffic350 (2015)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000001110108

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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