US Bridges

Boyer Road over Walnut River Tributary

Good

Butler County, Kansas · 1/4 Mile N. of K-254 · Structure no. 407800080921010

Built
2010
15 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
77 ft
3 main spans
Daily traffic
3,545
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Boyer Road over Walnut River Tributary is a concrete culvert carrying Boyer Road over Walnut River Tributary in Butler County, Kansas. It was built in 2010, so it is 15 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 3,545 vehicles a day, roughly 5% of them trucks, projected to reach 3,500 by 2043. The structure is 77 ft (23.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBoyer Road
CrossesWalnut River Tributary
Location1/4 Mile N. of K-254
RouteCity Street 921
StateKansas
Coordinates37.81958, -96.89875
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.1 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length77 ft (23.6 m)
Longest span12 ft (3.6 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic3,545 (2019)
Projected traffic3,500 by 2043
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Boyer Road over Walnut River Tributary built?

It was built in 2010, making it 15 years old in 2025.

What condition is Boyer Road over Walnut River Tributary 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 February 2023.

How much traffic does Boyer Road over Walnut River Tributary carry?

About 3,545 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Boyer Road over Walnut River Tributary?

The structure is 77 ft (23.6 m) long with a longest span of 12 ft (3.6 m) and a deck 43 ft wide.

Who owns Boyer Road over Walnut River Tributary?

It is owned by the City or Municipal Highway Agency.