Structure 1190638 · Mecklenburg County, NC

I485 Wbl over Sugar Creek

Carries I485 Wbl over Sugar Creek, 1.6 Mi. W. Jct. Sr3998.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT252 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

252 ft end to end, longest span 61 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.

Built1993rebuilt 2014
Length252.0 ft76.8 m
Daily traffic140,000counted 2022
Last inspectedApril 2023every 24 months

Location

StateNorth Carolina
CountyMecklenburg
Location1.6 Mi. W. Jct. Sr3998
CarriesI485 Wbl
CrossesSugar Creek
Coordinates35.11733, -80.90328

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length252.0 ft (76.8 m)
Max Span60.7 ft (18.5 m)
Deck Width82.0 ft (25 m)
Deck Area1,920 sq m
Main Spans4
Year Built1993 (reconstructed 2014)

Traffic

Avg Daily Traffic140,000 (2022)
Truck Traffic16%
Lanes On Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001190638

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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