US Bridges

School Creek Road over Blackjack Creek

Good

Pottawatomie County, Kansas · 2.0N of St. George · Structure no. 000750917604067

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
50
2013 count
Owner
County
County Highway Agency

About this bridge

School Creek Road over Blackjack Creek is a concrete culvert carrying School Creek Road over Blackjack Creek in Pottawatomie County, Kansas. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 60 by 2041. The structure is 33 ft (10 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSchool Creek Road
CrossesBlackjack Creek
Location2.0N of St. George
RouteCounty Highway 0
CountyPottawatomie County
StateKansas
Coordinates39.22151, -96.41578
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating99.8 US tons
Inventory rating68.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10 m)
Longest span10 ft (3 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2013)
Projected traffic60 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 School Creek Road over Blackjack Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is School Creek Road 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 August 2023.

How much traffic does School Creek Road over Blackjack Creek carry?

About 50 vehicles per day (2013 count).

How long is School Creek Road over Blackjack Creek?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns School Creek Road over Blackjack Creek?

It is owned by the County Highway Agency.