Structure 1191229 · Mecklenburg County, NC

I85 Ramp I485 Ramp over I85

Carries I85 Ramp I485 Ramp over I85, 1.2 Mi. W. Jct. Us29.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT409 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

409 ft end to end, longest span 108 ft: about 6 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.

Built201313 years old
Length408.8 ft124.6 m
Daily traffic15,000counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateNorth Carolina
CountyMecklenburg
Location1.2 Mi. W. Jct. Us29
CarriesI85 Ramp I485 Ramp
CrossesI85
Coordinates35.34636, -80.73522

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length408.8 ft (124.6 m)
Max Span107.9 ft (32.9 m)
Deck Width44.9 ft (13.7 m)
Deck Area1707.0 sq m
Main Spans4
Year Built2013

Traffic

Avg Daily Traffic15,000 (2022)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge7

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001191229

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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