Structure 6913 · Bates County, MO

RT Tt E over Bones Br

Carries RT Tt E over Bones Br, S 6 T 40 N R 31 W.

Overall conditionPoor

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

How ratings work
Decksets the rating3/9 · Serious
Superstructuresets the rating3/9 · Serious
Substructure6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT118 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9 · sets the ratingSuperstructure 3/9 · sets the ratingSubstructure 6/9

118 ft end to end, longest span 48 ft. 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 tee-beam bridge.

Built195769 years old
Length118.1 ft36 m
Daily traffic386counted 2024
Last inspectedOctober 2024every 12 months

Location

StateMissouri
CountyBates
LocationS 6 T 40 N R 31 W
CarriesRT Tt E
CrossesBones Br
Coordinates38.29417, -94.39419

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length118.1 ft (36 m)
Max Span47.6 ft (14.5 m)
Deck Width23.6 ft (7.2 m)
Deck Area259.2 sq m
Main Spans2
Year Built1957

Traffic

Avg Daily Traffic386 (2024)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number6913

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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