Structure 870670 · Sedgwick County, KS

Rs 684 109th over Little Arkansas River

Carries Rs 684 109th over Little Arkansas River, 109thn 0.1 E Of 71stw.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure6/9 · Satisfactory
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT423 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 6/9Substructure 6/9

423 ft end to end, longest span 90 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck 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 multi-beam bridge.

Built1953rebuilt 2011
Length422.9 ft128.9 m
Daily traffic100counted 2022
Last inspectedJuly 2024every 24 months

Location

StateKansas
CountySedgwick
Location109thn 0.1 E Of 71stw
CarriesRs 684 109th
CrossesLittle Arkansas River
Coordinates37.88316, -97.42513

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length422.9 ft (128.9 m)
Max Span89.9 ft (27.4 m)
Deck Width29.2 ft (8.9 m)
Deck Area1147.2 sq m
Main Spans5
Year Built1953 (reconstructed 2011)

Traffic

Avg Daily Traffic100 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000870670

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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