Structure 11827 · Osage County, MO

US 50 W over Osage Rvr Crd Conservat

Carries US 50 W over Osage Rvr Crd Conservat, S 10 T 43 N R 10 W.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,201 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

1,201 ft end to end, longest span 185 ft: about 3.3 football fields. Lengths and the semi-truck 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.

Built1960rebuilt 2002
Length1201.1 ft366.1 m
Daily traffic9,459counted 2024
Last inspectedFebruary 2023every 24 months

Location

StateMissouri
CountyOsage
LocationS 10 T 43 N R 10 W
CarriesUS 50 W
CrossesOsage Rvr Crd Conservat
Coordinates38.49299, -92.00898

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1201.1 ft (366.1 m)
Max Span185.0 ft (56.4 m)
Deck Width40.7 ft (12.4 m)
Deck Area4539.6 sq m
Main Spans4
Year Built1960 (reconstructed 2002)

Traffic

Avg Daily Traffic9,459 (2024)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number11827

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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