Structure 18014 · Osage County, MO

County RD 723 over Lit Third CR

Carries County RD 723 over Lit Third CR, S 33 T 42 N R 7 W.

Overall conditionPoor

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

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

22 ft end to end, longest span 7 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.

Built193096 years old
Length22.0 ft6.7 m
Daily traffic25counted 2023
Last inspectedApril 2023every 24 months

Location

StateMissouri
CountyOsage
LocationS 33 T 42 N R 7 W
CarriesCounty RD 723
CrossesLit Third CR
Coordinates38.33550, -91.71650

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length22.0 ft (6.7 m)
Max Span6.9 ft (2.1 m)
Deck Width18.0 ft (5.5 m)
Deck Area36.9 sq m
Main Spans3
Year Built1930

Traffic

Avg Daily Traffic25 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number18014

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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