Structure 25091 · Lawrence County, MO

County RD 2180 over Dry Valley Br

Carries County RD 2180 over Dry Valley Br, S 29 T 27 N R 28 W.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

25 ft end to end, longest span 12 ft. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built1900rebuilt 1970
Length24.9 ft7.6 m
Daily traffic50counted 2023
Last inspectedMarch 2023every 24 months

Location

StateMissouri
CountyLawrence
LocationS 29 T 27 N R 28 W
CarriesCounty RD 2180
CrossesDry Valley Br
Coordinates37.01785, -94.01199

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length24.9 ft (7.6 m)
Max Span12.1 ft (3.7 m)
Deck Width18.4 ft (5.6 m)
Deck Area42.6 sq m
Main Spans2
Year Built1900 (reconstructed 1970)

Traffic

Avg Daily Traffic50 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number25091

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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