Structure 18781 · Ralls County, MO

Meadow Lark LN over Branch

Carries Meadow Lark LN over Branch, S 2 T 53 N R 6 W.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT26 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

26 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 multi-beam bridge.

Built193096 years old
Length25.9 ft7.9 m
Daily traffic15counted 2023
Last inspectedJune 2024every 24 months

Location

StateMissouri
CountyRalls
LocationS 2 T 53 N R 6 W
CarriesMeadow Lark LN
CrossesBranch
Coordinates39.40747, -91.54544

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length25.9 ft (7.9 m)
Max Span24.0 ft (7.3 m)
Deck Width12.1 ft (3.7 m)
Deck Area29.2 sq m
Main Spans1
Year Built1930

Traffic

Avg Daily Traffic15 (2023)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number18781

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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