Structure 301035904820 · Franklin County, KS

Riley (20-9.9) over Trib. To Eight Mile Ck.

Carries Riley (20-9.9) over Trib. To Eight Mile Ck., 3.0n 3.0w Of Ottawa.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

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

Elevation

Side view, colored by inspection rating
22 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

22 ft end to end. 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 multi-beam bridge.

Built194086 years old
Length22.0 ft6.7 m
Daily traffic35counted 2013
Last inspectedJune 2023every 24 months

Location

StateKansas
CountyFranklin
Location3.0n 3.0w Of Ottawa
CarriesRiley (20-9.9)
CrossesTrib. To Eight Mile Ck.
Coordinates38.68132, -95.32530

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length22.0 ft (6.7 m)
Max Span19.7 ft (6 m)
Deck Width22.6 ft (6.9 m)
Deck Area46.2 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic35 (2013)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number000301035904820

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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