Structure 13015 · Newton County, MO

Old HWY 71 over Shoal CR

Carries Old HWY 71 over Shoal CR, S 15 T 26 N R 32 W.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructuresets the rating3/9 · Serious
Substructuresets the rating3/9 · Serious
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT387 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9Superstructure 3/9Substructure 3/9

387 ft end to end, longest span 50 ft: about 5 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 tee-beam bridge.

Built1920106 years old
Length387.1 ft118 m
Daily traffic400counted 2024
Last inspectedJanuary 2025every 12 months

Location

StateMissouri
CountyNewton
LocationS 15 T 26 N R 32 W
CarriesOld HWY 71
CrossesShoal CR
Coordinates36.97218, -94.42574

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length387.1 ft (118 m)
Max Span49.9 ft (15.2 m)
Deck Width20.3 ft (6.2 m)
Deck Area731.6 sq m
Main Spans3
Year Built1920

Traffic

Avg Daily Traffic400 (2024)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number13015

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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