Structure 22191 · Lawrence County, MO

County RD 2100 over Dry Hollow

Carries County RD 2100 over Dry Hollow, S 15 T 28 N R 28 W.

Overall conditionPoor

Set by its lowest-rated component: Deck and Superstructure and Substructure at 3 of 9.

How ratings work
Decksets the rating3/9 · Serious
Superstructuresets the rating3/9 · Serious
Substructuresets the rating3/9 · Serious
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 3/9Superstructure 3/9Substructure 3/9

40 ft end to end, longest span 20 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built1920106 years old
Length40.0 ft12.2 m
Daily traffic30counted 2023
Last inspectedMarch 2024every 12 months

Location

StateMissouri
CountyLawrence
LocationS 15 T 28 N R 28 W
CarriesCounty RD 2100
CrossesDry Hollow
Coordinates37.13497, -93.97506

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length40.0 ft (12.2 m)
Max Span20.0 ft (6.1 m)
Deck Width16.1 ft (4.9 m)
Deck Area59.8 sq m
Main Spans2
Year Built1920

Traffic

Avg Daily Traffic30 (2023)
Truck Traffic10%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number22191

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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