Structure 427950895450K5A · Shawnee County, KS

SW 29th over Trib. Shunganunga Cr.

Carries SW 29th over Trib. Shunganunga Cr., 108.81m E. Of 29th & Gage.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
21 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 21 ft across with 2 openings. 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, so those are drawn as typical for a culvert.

Built197749 years old
Length21.3 ft6.5 m
Daily traffic14,640counted 2017
Last inspectedOctober 2023every 24 months

Location

StateKansas
CountyShawnee
Location108.81m E. Of 29th & Gage
CarriesSW 29th
CrossesTrib. Shunganunga Cr.
Coordinates39.01474, -95.72471

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length21.3 ft (6.5 m)
Max Span10.2 ft (3.1 m)
Deck Area117 sq m
Main Spans2
Year Built1977

Traffic

Avg Daily Traffic14,640 (2017)
Truck Traffic2%
Lanes On Bridge5

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number427950895450K5A

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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