Structure 18390 · Ray County, MO

W 174 ST over East Fork

Carries W 174 ST over East Fork, S 18 T 53 N R 29 W.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
24 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 24 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built199333 years old
Length24.0 ft7.3 m
Daily traffic85counted 2023
Last inspectedMay 2023every 24 months

Location

StateMissouri
CountyRay
LocationS 18 T 53 N R 29 W
CarriesW 174 ST
CrossesEast Fork
Coordinates39.40711, -94.20349

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length24.0 ft (7.3 m)
Max Span12.1 ft (3.7 m)
Deck Area48.9 sq m
Main Spans2
Year Built1993

Traffic

Avg Daily Traffic85 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number18390

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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