Structure SA2700000000007 · Humphreys County, MS

Five Mile Road over 1636 Over Whit Aux Chan

Carries Five Mile Road over 1636 Over Whit Aux Chan, Sec 16 T13n R 3w B.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT420 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 5/9 · sets the rating

420 ft end to end, longest span 140 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.

Built196264 years old
Length420.3 ft128.1 m
Daily traffic150counted 2022
Last inspectedOctober 2024every 12 months

Location

StateMississippi
CountyHumphreys
LocationSec 16 T13n R 3w B
CarriesFive Mile Road
Crosses1636 Over Whit Aux Chan
Coordinates32.97761, -90.51196

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length420.3 ft (128.1 m)
Max Span140.1 ft (42.7 m)
Deck Width25.9 ft (7.9 m)
Deck Area1012.0 sq m
Main Spans3
Year Built1962

Traffic

Avg Daily Traffic150 (2022)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure NumberSA2700000000007

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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