Structure 5570193P0000000 · Hinds County, MS

Ms Route 27 over Natchez Trace Parkway

Carries Ms Route 27 over Natchez Trace Parkway, 12.4 Miles South Of Ms Ro.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT74 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 6/9 · sets the ratingSubstructure 7/9

74 ft end to end. Lengths and the car 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 deck arch.

Built196165 years old
Length74.1 ft22.6 m
Daily traffic440counted 2010
Last inspectedFebruary 2025every 24 months

Location

StateMississippi
CountyHinds
Location12.4 Miles South Of Ms Ro
CarriesMs Route 27
CrossesNatchez Trace Parkway
Coordinates32.18258, -90.63922

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length74.1 ft (22.6 m)
Max Span74.1 ft (22.6 m)
Deck Width34.4 ft (10.5 m)
Deck Area237.3 sq m
Main Spans1
Year Built1961

Traffic

Avg Daily Traffic440 (2010)
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerNational Park Service
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number5570193P0000000

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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