US Bridges

SW Diamond over Branch of Four Mile Ck.

Poor

Butler County, Kansas · 5.0S 2.0W of Augusta · Structure no. 000000000081090

Built
1958
67 years old
Condition
Poor
inspected January 2025
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
780
2021 count
Owner
County
County Highway Agency

About this bridge

SW Diamond over Branch of Four Mile Ck. is a concrete culvert carrying SW Diamond over Branch of Four Mile Ck. in Butler County, Kansas. It was built in 1958, so it is 67 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 780 vehicles a day, roughly 1% of them trucks, projected to reach 628 by 2045. The structure is 32 ft (9.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSW Diamond
CrossesBranch of Four Mile Ck.
Location5.0S 2.0W of Augusta
RouteCounty Highway 1743
CountyButler County
StateKansas
Coordinates37.61149, -97.02661
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.1 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length32 ft (9.8 m)
Longest span10 ft (2.9 m)
Deck width38 ft (11.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic780 (2021)
Projected traffic628 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Diamond over Branch of Four Mile Ck. built?

It was built in 1958, making it 67 years old in 2025.

What condition is SW Diamond over Branch of Four Mile Ck. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does SW Diamond over Branch of Four Mile Ck. carry?

About 780 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is SW Diamond over Branch of Four Mile Ck.?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (2.9 m) and a deck 38 ft wide.

Who owns SW Diamond over Branch of Four Mile Ck.?

It is owned by the County Highway Agency.