US Bridges

US-73 NB Highway over Piper Creek

Good

Wyandotte County, Kansas · 1.78 Miles N US-24 · Structure no. 999907301050691

Built
1968
57 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
11,489
2023 count
Owner
State
State Highway Agency

About this bridge

US-73 NB Highway over Piper Creek is a concrete continuous slab carrying US-73 NB Highway over Piper Creek in Wyandotte County, Kansas. It was built in 1968, so it is 57 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,489 vehicles a day, roughly 5% of them trucks, projected to reach 12,949 by 2044. The structure is 122 ft (37.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-73 NB Highway
CrossesPiper Creek
Location1.78 Miles N US-24
RouteU.S. Route 73
StateKansas
Coordinates39.14, -94.89972
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.3 m)
Longest span48 ft (14.6 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,489 (2023)
Projected traffic12,949 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-73 NB Highway over Piper Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US-73 NB Highway over Piper Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does US-73 NB Highway over Piper Creek carry?

About 11,489 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US-73 NB Highway over Piper Creek?

The structure is 122 ft (37.3 m) long with a longest span of 48 ft (14.6 m) and a deck 42 ft wide.

Who owns US-73 NB Highway over Piper Creek?

It is owned by the State Highway Agency.