US Bridges

US-24 HWY WB over Blackjack Creek

Good

Pottawatomie County, Kansas · 7.58 MI E Riley Coln · Structure no. 999902400750521

Built
1997
28 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
4,371
2023 count
Owner
State
State Highway Agency

About this bridge

US-24 HWY WB over Blackjack Creek is a concrete continuous slab carrying US-24 HWY WB over Blackjack Creek in Pottawatomie County, Kansas. It was built in 1997, so it is 28 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 4,371 vehicles a day, roughly 7% of them trucks, projected to reach 5,659 by 2044. The structure is 113 ft (34.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-24 HWY WB
CrossesBlackjack Creek
Location7.58 MI E Riley Coln
RouteU.S. Route 24
StateKansas
Coordinates39.20583, -96.42389
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating58 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length113 ft (34.4 m)
Longest span44 ft (13.4 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,371 (2023)
Projected traffic5,659 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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-24 HWY WB over Blackjack Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is US-24 HWY WB over Blackjack 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 May 2023.

How much traffic does US-24 HWY WB over Blackjack Creek carry?

About 4,371 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US-24 HWY WB over Blackjack Creek?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 42 ft wide.

Who owns US-24 HWY WB over Blackjack Creek?

It is owned by the State Highway Agency.