Structure 31413 · Jasper County, MO

Mo 249 S over Mo & Ar Rr

Carries Mo 249 S over Mo & Ar Rr, S 20 T 28 N R 32 W.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT257 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9Substructure 6/9 · sets the rating

257 ft end to end, longest span 102 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 tee-beam bridge.

Built200620 years old
Length257.2 ft78.4 m
Daily traffic8,753counted 2024
Last inspectedAugust 2023every 24 months

Location

StateMissouri
CountyJasper
LocationS 20 T 28 N R 32 W
CarriesMo 249 S
CrossesMo & Ar Rr
Coordinates37.13808, -94.44153

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length257.2 ft (78.4 m)
Max Span101.7 ft (31 m)
Deck Width40.0 ft (12.2 m)
Deck Area956.5 sq m
Main Spans3
Year Built2006

Traffic

Avg Daily Traffic8,753 (2024)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number31413

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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