US Bridges

US 73 HWY over Nine Mile Creek Drainage

Fair

Leavenworth County, Kansas · 1.69 Miles N Wy Coline · Structure no. 999907300520551

Built
1950
75 years old, rebuilt 1968
Condition
Fair
inspected June 2023
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
11,589
2023 count
Owner
State
State Highway Agency

About this bridge

US 73 HWY over Nine Mile Creek Drainage is a steel culvert carrying US 73 HWY over Nine Mile Creek Drainage in Leavenworth County, Kansas. It was built in 1950 and reconstructed in 1968, so it is 75 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,589 vehicles a day, roughly 5% of them trucks, projected to reach 13,324 by 2044. The structure is 25 ft (7.5 m) long and 170 ft wide.

CarriesUS 73 HWY
CrossesNine Mile Creek Drainage
Location1.69 Miles N Wy Coline
RouteU.S. Route 73
StateKansas
Coordinates39.22528, -94.9
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating31 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length25 ft (7.5 m)
Longest span20 ft (6.1 m)
Deck width170 ft (51.8 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,589 (2023)
Projected traffic13,324 by 2044
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 HWY over Nine Mile Creek Drainage built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1968.

What condition is US 73 HWY over Nine Mile Creek Drainage in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does US 73 HWY over Nine Mile Creek Drainage carry?

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

How long is US 73 HWY over Nine Mile Creek Drainage?

The structure is 25 ft (7.5 m) long with a longest span of 20 ft (6.1 m) and a deck 170 ft wide.

Who owns US 73 HWY over Nine Mile Creek Drainage?

It is owned by the State Highway Agency.