Structure 33992 · Lincoln County, MO

Mo 79 S over Sandy CR

Carries Mo 79 S over Sandy CR, S 35 T 50 N R 2 E.

Overall conditionGood

Set by its lowest-rated component: Deck at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT266 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 9/9

266 ft end to end, longest span 101 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.

Built201214 years old
Length266.4 ft81.2 m
Daily traffic2,989counted 2024
Last inspectedSeptember 2024every 24 months

Location

StateMissouri
CountyLincoln
LocationS 35 T 50 N R 2 E
CarriesMo 79 S
CrossesSandy CR
Coordinates39.05160, -90.74280

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length266.4 ft (81.2 m)
Max Span101.0 ft (30.8 m)
Deck Width34.8 ft (10.6 m)
Deck Area860.7 sq m
Main Spans3
Year Built2012

Traffic

Avg Daily Traffic2,989 (2024)
Truck Traffic19%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number33992

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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