Structure 999907000310081 · Geary County, KS

I70 HWY EB over Us77 Highway

Carries I70 HWY EB over Us77 Highway, Jct Us77/i70 EB.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT174 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

174 ft end to end, longest span 48 ft: about 2 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 slab bridge.

Built1959rebuilt 1990
Length173.9 ft53 m
Daily traffic8,871counted 2023
Last inspectedOctober 2023every 24 months

Location

StateKansas
CountyGeary
LocationJct Us77/i70 EB
CarriesI70 HWY EB
CrossesUs77 Highway
Coordinates38.99917, -96.86139

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length173.9 ft (53 m)
Max Span47.6 ft (14.5 m)
Deck Width42.7 ft (13 m)
Deck Area689 sq m
Main Spans4
Year Built1959 (reconstructed 1990)

Traffic

Avg Daily Traffic8,871 (2023)
Truck Traffic18%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number999907000310081

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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