Structure 33058 · Scott County, MO

Or 55 S over Ramsey Creek

Carries Or 55 S over Ramsey Creek, S 185 T 30 N R 14 E.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT302 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

302 ft end to end, longest span 110 ft: about 4 semi-trucks nose to tail. 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 tee-beam bridge.

Built201016 years old
Length302.2 ft92.1 m
Daily traffic1,792counted 2024
Last inspectedFebruary 2025every 24 months

Location

StateMissouri
CountyScott
LocationS 185 T 30 N R 14 E
CarriesOr 55 S
CrossesRamsey Creek
Coordinates37.22006, -89.54625

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length302.2 ft (92.1 m)
Max Span109.9 ft (33.5 m)
Deck Width32.8 ft (10 m)
Deck Area921 sq m
Main Spans3
Year Built2010

Traffic

Avg Daily Traffic1,792 (2024)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number33058

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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