Structure 29355 · Miller County, MO

US 54 E over Osage Rvr

Carries US 54 E over Osage Rvr, S 29 T 40 N R 15 W.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT869 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

869 ft end to end, longest span 200 ft: about 2.4 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.

Built200323 years old
Length869.1 ft264.9 m
Daily traffic12,643counted 2024
Last inspectedSeptember 2023every 24 months

Location

StateMissouri
CountyMiller
LocationS 29 T 40 N R 15 W
CarriesUS 54 E
CrossesOsage Rvr
Coordinates38.19074, -92.60723

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length869.1 ft (264.9 m)
Max Span200.1 ft (61 m)
Deck Width40.7 ft (12.4 m)
Deck Area3284.8 sq m
Main Spans5
Year Built2003

Traffic

Avg Daily Traffic12,643 (2024)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number29355

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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