Structure 530701004423 · Lincoln County, KS

30th RD over Unnamed Stream

Carries 30th RD over Unnamed Stream, 2.5s 3.0w Of Sylvan Grove.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

39 ft end to end, longest span 11 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.

Built193591 years old
Length39.0 ft11.9 m
Daily traffic40counted 2022
Last inspectedOctober 2024every 24 months

Location

StateKansas
CountyLincoln
Location2.5s 3.0w Of Sylvan Grove
Carries30th RD
CrossesUnnamed Stream
Coordinates38.96640, -98.44885

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length39.0 ft (11.9 m)
Max Span11.5 ft (3.5 m)
Deck Width27.9 ft (8.5 m)
Deck Area101.2 sq m
Main Spans3
Year Built1935

Traffic

Avg Daily Traffic40 (2022)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number000530701004423

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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