Structure SA6500000000057 · Smith County, MS

Smith Co. 133 over Jump Creek

Carries Smith Co. 133 over Jump Creek, Sec 16 T 3n R 6e.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT174 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

174 ft end to end, longest span 30 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.

Built199729 years old
Length173.9 ft53 m
Daily traffic60counted 2024
Last inspectedAugust 2024every 24 months

Location

StateMississippi
CountySmith
LocationSec 16 T 3n R 6e
CarriesSmith Co. 133
CrossesJump Creek
Coordinates32.09847, -89.68735

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length173.9 ft (53 m)
Max Span29.5 ft (9 m)
Deck Width30.8 ft (9.4 m)
Deck Area498.2 sq m
Main Spans600
Year Built1997

Traffic

Avg Daily Traffic60 (2024)
Truck Traffic5%
Lanes On Bridge20

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure NumberSA6500000000057

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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