Structure 33586 · Jasper County, MO

Is 49 S over Coon CR

Carries Is 49 S over Coon CR, S 13 T 30 N R 31 W.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT312 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 9/9

312 ft end to end, longest span 81 ft: about 4 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.

Built201115 years old
Length312.0 ft95.1 m
Daily traffic8,715counted 2024
Last inspectedJuly 2023every 24 months

Location

StateMissouri
CountyJasper
LocationS 13 T 30 N R 31 W
CarriesIs 49 S
CrossesCoon CR
Coordinates37.35153, -94.29859

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length312.0 ft (95.1 m)
Max Span81.0 ft (24.7 m)
Deck Width40.7 ft (12.4 m)
Deck Area1179.2 sq m
Main Spans4
Year Built2011

Traffic

Avg Daily Traffic8,715 (2024)
Truck Traffic26%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number33586

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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