Structure 1190108 · Mecklenburg County, NC

Us29 Nc49 over Southern Railroad

Carries Us29 Nc49 over Southern Railroad, 0.2 Mi. N. Jct. I277.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT215 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

215 ft end to end, longest span 124 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.

Built200521 years old
Length214.9 ft65.5 m
Daily traffic24,000counted 2016
Last inspectedAugust 2021every 48 months

Location

StateNorth Carolina
CountyMecklenburg
Location0.2 Mi. N. Jct. I277
CarriesUs29 Nc49
CrossesSouthern Railroad
Coordinates35.23747, -80.83754

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length214.9 ft (65.5 m)
Max Span123.7 ft (37.7 m)
Deck Width88.3 ft (26.9 m)
Deck Area1762.0 sq m
Main Spans3
Year Built2005

Traffic

Avg Daily Traffic24,000 (2016)
Truck Traffic12%
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001190108

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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