Structure SA6400000000024 · Simpson County, MS

Macedonia Road over Riles Creek

Carries Macedonia Road over Riles Creek, Sec 23 T 1n R 4e B.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT126 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

126 ft end to end, longest span 31 ft. 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.

Built1975rebuilt 2018
Length126.0 ft38.4 m
Daily traffic150counted 2022
Last inspectedFebruary 2024every 12 months

Location

StateMississippi
CountySimpson
LocationSec 23 T 1n R 4e B
CarriesMacedonia Road
CrossesRiles Creek
Coordinates31.90548, -89.86198

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length126.0 ft (38.4 m)
Max Span30.8 ft (9.4 m)
Deck Width27.9 ft (8.5 m)
Deck Area326.4 sq m
Main Spans6
Year Built1975 (reconstructed 2018)

Traffic

Avg Daily Traffic150 (2022)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure NumberSA6400000000024

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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