US Bridges

US73 HWY SB Lane over Nine Mile Creek

Good

Leavenworth County, Kansas · 1.79 MI N Wy CO Line · Structure no. 999907300520621

Built
1985
40 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
11,589
2023 count
Owner
State
State Highway Agency

About this bridge

US73 HWY SB Lane over Nine Mile Creek is a concrete continuous slab carrying US73 HWY SB Lane over Nine Mile Creek in Leavenworth County, Kansas. It was built in 1985, so it is 40 years old, younger 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 11,589 vehicles a day, roughly 5% of them trucks, projected to reach 13,324 by 2044. The structure is 133 ft (40.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS73 HWY SB Lane
CrossesNine Mile Creek
Location1.79 MI N Wy CO Line
RouteU.S. Route 73
StateKansas
Coordinates39.22889, -94.90028
Functional classUrban Other Principal Arterial

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 alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span52 ft (15.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,589 (2023)
Projected traffic13,324 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 US73 HWY SB Lane over Nine Mile Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is US73 HWY SB Lane over Nine Mile 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 US73 HWY SB Lane over Nine Mile Creek carry?

About 11,589 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US73 HWY SB Lane over Nine Mile Creek?

The structure is 133 ft (40.4 m) long with a longest span of 52 ft (15.8 m) and a deck 42 ft wide.

Who owns US73 HWY SB Lane over Nine Mile Creek?

It is owned by the State Highway Agency.