US Bridges

US-75 HWY over Rock Creek

Good

Coffey County, Kansas · 0.02 MI N Neosho ST · Structure no. 999907500160521

Built
1992
33 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
59 ft
2 main spans
Daily traffic
7,941
2023 count
Owner
State
State Highway Agency

About this bridge

US-75 HWY over Rock Creek is a concrete culvert carrying US-75 HWY over Rock Creek in Coffey County, Kansas. It was built in 1992, so it is 33 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 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 7,941 vehicles a day, roughly 14% of them trucks, projected to reach 8,101 by 2044. The structure is 59 ft (18 m) long and 457 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-75 HWY
CrossesRock Creek
Location0.02 MI N Neosho ST
RouteU.S. Route 75
StateKansas
Coordinates38.195, -95.73833
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length59 ft (18 m)
Longest span29 ft (8.8 m)
Deck width457 ft (139.3 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,941 (2023)
Projected traffic8,101 by 2044
Trucks14%
Lanes on structure4
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 US-75 HWY over Rock Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is US-75 HWY over Rock 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 2024.

How much traffic does US-75 HWY over Rock Creek carry?

About 7,941 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US-75 HWY over Rock Creek?

The structure is 59 ft (18 m) long with a longest span of 29 ft (8.8 m) and a deck 457 ft wide.

Who owns US-75 HWY over Rock Creek?

It is owned by the State Highway Agency.