Structure SA7200000000020 · Tunica County, MS

Cutoff Road over Mckinney Lake

Carries Cutoff Road over Mckinney Lake, Sec 35 T 4s R12w B.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT173 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 5/9

173 ft end to end, longest span 19 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 channel-beam bridge.

Built196858 years old
Length172.9 ft52.7 m
Daily traffic690counted 2020
Last inspectedJune 2024every 12 months

Location

StateMississippi
CountyTunica
LocationSec 35 T 4s R12w B
CarriesCutoff Road
CrossesMckinney Lake
Coordinates34.69908, -90.44178

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length172.9 ft (52.7 m)
Max Span19.0 ft (5.8 m)
Deck Width28.2 ft (8.6 m)
Deck Area453.2 sq m
Main Spans9
Year Built1968

Traffic

Avg Daily Traffic690 (2020)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA7200000000020

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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