Structure 999916900630521 · Montgomery County, KS

Us169 HWY over Big Hill Creek

Carries Us169 HWY over Big Hill Creek, 9.54 Mi N Ejct Us166.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT253 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 8/9

253 ft end to end, longest span 90 ft: about 4 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.

Built194779 years old
Length253.0 ft77.1 m
Daily traffic4,453counted 2023
Last inspectedMarch 2023every 24 months

Location

StateKansas
CountyMontgomery
Location9.54 Mi N Ejct Us166
CarriesUs169 HWY
CrossesBig Hill Creek
Coordinates37.18000, -95.57722

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length253.0 ft (77.1 m)
Max Span89.9 ft (27.4 m)
Deck Width31.2 ft (9.5 m)
Deck Area732.5 sq m
Main Spans3
Year Built1947

Traffic

Avg Daily Traffic4,453 (2023)
Truck Traffic38%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number999916900630521

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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