Structure SA1300000000037 · Clay County, MS

Pheba-colony RD over Johnson Creek

Carries Pheba-colony RD over Johnson Creek, Sec 22 T16s R 3e B.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT200 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

200 ft end to end, longest span 80 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.

Built198541 years old
Length200.1 ft61 m
Daily traffic440counted 2018
Last inspectedFebruary 2023every 24 months

Location

StateMississippi
CountyClay
LocationSec 22 T16s R 3e B
CarriesPheba-colony RD
CrossesJohnson Creek
Coordinates33.66952, -88.96520

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length200.1 ft (61 m)
Max Span80.1 ft (24.4 m)
Deck Width30.8 ft (9.4 m)
Deck Area573.4 sq m
Main Spans4
Year Built1985

Traffic

Avg Daily Traffic440 (2018)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberSA1300000000037

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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