US Bridges

US24 HWY & US40 Hw over Nine Mile Creek

Fair

Leavenworth County, Kansas · 4.41 MI N of Douglas CO · Structure no. 999902400520581

Built
1978
47 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
143 ft
4 main spans
Daily traffic
2,650
2023 count
Owner
State
State Highway Agency

About this bridge

US24 HWY & US40 Hw over Nine Mile Creek is a concrete continuous slab carrying US24 HWY & US40 Hw over Nine Mile Creek in Leavenworth County, Kansas. It was built in 1978, so it is 47 years old, younger 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 2,650 vehicles a day, roughly 8% of them trucks, projected to reach 3,364 by 2044. The structure is 143 ft (43.5 m) long and 46 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesUS24 HWY & US40 Hw
CrossesNine Mile Creek
Location4.41 MI N of Douglas CO
RouteU.S. Route 24
StateKansas
Coordinates39.04639, -95.12861
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length143 ft (43.5 m)
Longest span40 ft (12.2 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,364 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

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 US24 HWY & US40 Hw over Nine Mile Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is US24 HWY & US40 Hw over Nine Mile Creek 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 US24 HWY & US40 Hw over Nine Mile Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US24 HWY & US40 Hw over Nine Mile Creek?

The structure is 143 ft (43.5 m) long with a longest span of 40 ft (12.2 m) and a deck 46 ft wide.

Who owns US24 HWY & US40 Hw over Nine Mile Creek?

It is owned by the State Highway Agency.