US Bridges

US75 HWY over Neosho River Drainage

Fair

Coffey County, Kansas · 1.14 MI N Neosho ST · Structure no. 999907500160201

Built
1935
90 years old, rebuilt 1965
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
6,330
2023 count
Owner
State
State Highway Agency

About this bridge

US75 HWY over Neosho River Drainage is a concrete culvert carrying US75 HWY over Neosho River Drainage in Coffey County, Kansas. It was built in 1935 and reconstructed in 1965, so it is 90 years old, older 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 6,330 vehicles a day, roughly 24% of them trucks, projected to reach 6,458 by 2044. The structure is 25 ft (7.6 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS75 HWY
CrossesNeosho River Drainage
Location1.14 MI N Neosho ST
RouteU.S. Route 75
CountyCoffey County
StateKansas
Coordinates38.21111, -95.73833
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width46 ft (13.9 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,330 (2023)
Projected traffic6,458 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US75 HWY over Neosho River Drainage built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1965.

What condition is US75 HWY over Neosho River Drainage 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 February 2024.

How much traffic does US75 HWY over Neosho River Drainage carry?

About 6,330 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US75 HWY over Neosho River Drainage?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 46 ft wide.

Who owns US75 HWY over Neosho River Drainage?

It is owned by the State Highway Agency.