Structure 12627 · Jefferson County, MO

Arlene RD over Trib Of Saline CR

Carries Arlene RD over Trib Of Saline CR, S 33 T 43 N R 6 E.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT31 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 31 ft across with 2 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.

Built199234 years old
Length30.8 ft9.4 m
Daily traffic50counted 2023
Last inspectedMarch 2023every 24 months

Location

StateMissouri
CountyJefferson
LocationS 33 T 43 N R 6 E
CarriesArlene RD
CrossesTrib Of Saline CR
Coordinates38.44455, -90.38291

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length30.8 ft (9.4 m)
Max Span14.1 ft (4.3 m)
Deck Area63.0 sq m
Main Spans2
Year Built1992

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number12627

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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