Structure 13751 · Ripley County, MO

K-5 over Mid Prong Beaver D

Carries K-5 over Mid Prong Beaver D, S 36 T 25 N R 3 E.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
20 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

20 ft end to end, longest span 6 ft. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 slab bridge.

Built197749 years old
Length20.0 ft6.1 m
Daily traffic40counted 2023
Last inspectedFebruary 2025every 24 months

Location

StateMissouri
CountyRipley
LocationS 36 T 25 N R 3 E
CarriesK-5
CrossesMid Prong Beaver D
Coordinates36.78080, -90.68750

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length20.0 ft (6.1 m)
Max Span5.9 ft (1.8 m)
Deck Width20.0 ft (6.1 m)
Deck Area37.2 sq m
Main Spans3
Year Built1977

Traffic

Avg Daily Traffic40 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number13751

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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