Structure 8033 · Crawford County, MO

RT Bb S over Thurman Br

Carries RT Bb S over Thurman Br, S 9 T 37 N R 3 W.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 38 ft across with 3 openings. Lengths and the car 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, so those are drawn as typical for a culvert.

Built195967 years old
Length38.1 ft11.6 m
Daily traffic520counted 2024
Last inspectedMay 2024every 24 months

Location

StateMissouri
CountyCrawford
LocationS 9 T 37 N R 3 W
CarriesRT Bb S
CrossesThurman Br
Coordinates37.93867, -91.26648

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length38.1 ft (11.6 m)
Max Span9.8 ft (3 m)
Deck Width26.9 ft (8.2 m)
Deck Area95.1 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic520 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number8033

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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