Structure 230099 · Burke County, NC

Us64 70 over Southern Rr

Carries Us64 70 over Southern Rr, .6 Mi.w.jct.us64bus.

Overall conditionPoor

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructure5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT193 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 5/9

193 ft end to end, longest span 42 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.

Built1955rebuilt 1974
Length192.9 ft58.8 m
Daily traffic21,000counted 2022
Last inspectedJanuary 2024every 24 months

Location

StateNorth Carolina
CountyBurke
Location.6 Mi.w.jct.us64bus
CarriesUs64 70
CrossesSouthern Rr
Coordinates35.73044, -81.70346

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length192.9 ft (58.8 m)
Max Span42.0 ft (12.8 m)
Deck Width74.1 ft (22.6 m)
Deck Area1328.9 sq m
Main Spans5
Year Built1955 (reconstructed 1974)

Traffic

Avg Daily Traffic21,000 (2022)
Truck Traffic12%
Lanes On Bridge5

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000230099

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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