US Bridges

Minor 30-31-8 over E. Branch Prairie Creek

GoodPosted for load

Sumner County, Kansas · 1.8E of Mayfield · Structure no. 000960799806780

Built
1982
43 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
100
2009 count
Owner
County
County Highway Agency

About this bridge

Minor 30-31-8 over E. Branch Prairie Creek is a concrete culvert carrying Minor 30-31-8 over E. Branch Prairie Creek in Sumner County, Kansas. It was built in 1982, so it is 43 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 100 by 2043. The structure is 32 ft (9.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMinor 30-31-8
CrossesE. Branch Prairie Creek
Location1.8E of Mayfield
RouteCounty Highway 9614
StateKansas
Coordinates37.25815, -97.51434
Functional classRural Minor Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (2.9 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic100 (2009)
Projected traffic100 by 2043
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 Minor 30-31-8 over E. Branch Prairie Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Minor 30-31-8 over E. Branch Prairie 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 April 2023.

How much traffic does Minor 30-31-8 over E. Branch Prairie Creek carry?

About 100 vehicles per day (2009 count).

How long is Minor 30-31-8 over E. Branch Prairie Creek?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (2.9 m) and a deck 29 ft wide.

Who owns Minor 30-31-8 over E. Branch Prairie Creek?

It is owned by the County Highway Agency.