Structure 1396 · Pemiscot County, MO

Is 155 S over County RD Mississippi

Carries Is 155 S over County RD Mississippi, S 11 T 17 N R 13 E.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
7,102 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

7,102 ft end to end, longest span 920 ft: about 20 football fields, or 1.3 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 through truss.

Built1975rebuilt 1987
Length7102.0 ft2164.7 m
Daily traffic13,521counted 2024
Last inspectedMarch 2023every 24 months

Location

StateMissouri
CountyPemiscot
LocationS 11 T 17 N R 13 E
CarriesIs 155 S
CrossesCounty RD Mississippi
Coordinates36.11839, -89.61507

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Thru
Total Length7102.0 ft (2164.7 m)
Max Span919.9 ft (280.4 m)
Deck Width80.7 ft (24.6 m)
Deck Area53251.6 sq m
Main Spans2
Year Built1975 (reconstructed 1987)

Traffic

Avg Daily Traffic13,521 (2024)
Truck Traffic35%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number1396

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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