Structure 33721 · Scotland County, MO

RT Z S over Lit Fox Rvr

Carries RT Z S over Lit Fox Rvr, S 19 T 67 N R 10 W.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 9 of 9.

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT150 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

150 ft end to end: about 2 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 box-beam bridge.

Built201115 years old
Length149.9 ft45.7 m
Daily traffic170counted 2024
Last inspectedNovember 2024every 48 months

Location

StateMissouri
CountyScotland
LocationS 19 T 67 N R 10 W
CarriesRT Z S
CrossesLit Fox Rvr
Coordinates40.59624, -92.03793

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length149.9 ft (45.7 m)
Max Span89.9 ft (27.4 m)
Deck Width25.9 ft (7.9 m)
Deck Area361.0 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic170 (2024)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number33721

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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