US Bridges

US75 HWY over Neosho River Drainage

Good

Coffey County, Kansas · 4.41 MI N Njct K58 · Structure no. 999907500160181

Built
1938
87 years old, rebuilt 1962
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
3,300
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 1938 and reconstructed in 1962, so it is 87 years old, older 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 3,300 vehicles a day, roughly 24% of them trucks, projected to reach 3,367 by 2044. The structure is 29 ft (8.7 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS75 HWY
CrossesNeosho River Drainage
Location4.41 MI N Njct K58
RouteU.S. Route 75
StateKansas
Coordinates38.16222, -95.73889
Functional classRural Principal Arterial - Other

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.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length29 ft (8.7 m)
Longest span9 ft (2.7 m)
Deck width86 ft (26.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic3,367 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1938, making it 87 years old in 2025. It was reconstructed in 1962.

What condition is US75 HWY over Neosho River Drainage 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 2024.

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

About 3,300 vehicles per day (2023 count), of which roughly 24% are trucks.

How long is US75 HWY over Neosho River Drainage?

The structure is 29 ft (8.7 m) long with a longest span of 9 ft (2.7 m) and a deck 86 ft wide.

Who owns US75 HWY over Neosho River Drainage?

It is owned by the State Highway Agency.