US Bridges

K146 HWY over Br of Four Mile Creek

Fair

Neosho County, Kansas · 3.04 MI E US59 · Structure no. 999914600670601

Built
1979
46 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
182 ft
5 main spans
Daily traffic
395
2023 count
Owner
State
State Highway Agency

About this bridge

K146 HWY over Br of Four Mile Creek is a concrete continuous slab carrying K146 HWY over Br of Four Mile Creek in Neosho County, Kansas. It was built in 1979, so it is 46 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 395 vehicles a day, roughly 11% of them trucks, projected to reach 403 by 2044. The structure is 182 ft (55.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesK146 HWY
CrossesBr of Four Mile Creek
Location3.04 MI E US59
RouteState Highway 146
CountyNeosho County
StateKansas
Coordinates37.60139, -95.19694
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length182 ft (55.6 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic395 (2023)
Projected traffic403 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K146 HWY over Br of Four Mile Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is K146 HWY over Br of Four Mile Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does K146 HWY over Br of Four Mile Creek carry?

About 395 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is K146 HWY over Br of Four Mile Creek?

The structure is 182 ft (55.6 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns K146 HWY over Br of Four Mile Creek?

It is owned by the State Highway Agency.