Structure 14655 · Jasper County, MO

Sycamore ST over Mna Rr

Carries Sycamore ST over Mna Rr, S 4 T 28 N R 31 W.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 2 of 9.

How ratings work
Deck4/9 · Poor
Superstructuresets the rating2/9 · Critical
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 2/9 · sets the ratingSubstructure 6/9

39 ft end to end. Lengths and the car 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 deck truss.

Built1920106 years old
Length39.0 ft11.9 m
Daily traffic200counted 2023
Last inspectedFebruary 2015every 24 months

Location

StateMissouri
CountyJasper
LocationS 4 T 28 N R 31 W
CarriesSycamore ST
CrossesMna Rr
Coordinates37.17376, -94.31851

Physical Characteristics

MaterialSteel
DesignTruss - Deck
Total Length39.0 ft (11.9 m)
Max Span39.0 ft (11.9 m)
Deck Width30.2 ft (9.2 m)
Deck Area109.5 sq m
Main Spans1
Year Built1920

Traffic

Avg Daily Traffic200 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2015
Inspection FrequencyEvery 24 months
OwnerRailroad
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number14655

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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