US Bridges

SW Boyer Road over Muddy Creek

Good

Butler County, Kansas · 1.0W 3.2N of Smileyberg · Structure no. 000080869006347

Built
2015
10 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW Boyer Road over Muddy Creek is a concrete culvert carrying SW Boyer Road over Muddy Creek in Butler County, Kansas. It was built in 2015, so it is 10 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 50 by 2045. The structure is 38 ft (11.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSW Boyer Road
CrossesMuddy Creek
Location1.0W 3.2N of Smileyberg
RouteCounty Highway 1871
StateKansas
Coordinates37.56627, -96.89903
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2025
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.8 US tons
Inventory rating49.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length38 ft (11.5 m)
Longest span16 ft (4.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic50 by 2045
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 SW Boyer Road over Muddy Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is SW Boyer Road over Muddy 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 February 2025.

How much traffic does SW Boyer Road over Muddy Creek carry?

About 50 vehicles per day (2023 count).

How long is SW Boyer Road over Muddy Creek?

The structure is 38 ft (11.5 m) long with a longest span of 16 ft (4.8 m) and a deck 31 ft wide.

Who owns SW Boyer Road over Muddy Creek?

It is owned by the County Highway Agency.