Structure 999967001052431 · Wyandotte County, KS

I670 HWY EB over I70 HWY 3rps Ks Rv Rrs

Carries I670 HWY EB over I70 HWY 3rps Ks Rv Rrs, 1.06 Mi E Mill St..

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
5,296 FT OVERALL1,000 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

5,296 ft end to end, longest span 250 ft: about 15 football fields, or 1.0 miles. 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 girder bridge.

Built199036 years old
Length5295.9 ft1614.2 m
Daily traffic34,400counted 2023
Last inspectedAugust 2023every 24 months

Location

StateKansas
CountyWyandotte
Location1.06 Mi E Mill St.
CarriesI670 HWY EB
CrossesI70 HWY 3rps Ks Rv Rrs
Coordinates39.09861, -94.61278

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length5295.9 ft (1614.2 m)
Max Span250.0 ft (76.2 m)
Deck Width58.7 ft (17.9 m)
Deck Area28894.2 sq m
Main Spans4
Year Built1990

Traffic

Avg Daily Traffic34,400 (2023)
Truck Traffic10%
Lanes On Bridge3
Lanes Under Bridge11

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number999967001052431

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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