Structure 1279 · McDonald County, MO

US 71 S over Miser Hollow Br

Carries US 71 S over Miser Hollow Br, S 17 T 21 N R 31 W.

Overall conditionFair

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

How ratings work
Culvertsets the rating5/9 · Fair
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT44 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 5/9

A culvert 44 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built1966rebuilt 2004
Length44.3 ft13.5 m
Daily traffic12,353counted 2024
Last inspectedFebruary 2025every 24 months

Location

StateMissouri
CountyMcDonald
LocationS 17 T 21 N R 31 W
CarriesUS 71 S
CrossesMiser Hollow Br
Coordinates36.53982, -94.30700

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length44.3 ft (13.5 m)
Max Span9.8 ft (3 m)
Deck Area337.5 sq m
Main Spans3
Year Built1966 (reconstructed 2004)

Traffic

Avg Daily Traffic12,353 (2024)
Truck Traffic9%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number1279

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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