US Bridges

US75 HWY over Rock Creek Drainage

Good

Montgomery County, Kansas · 0.59 MI S Wjct US160 · Structure no. 999907500630061

Built
1966
59 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
4,155
2023 count
Owner
State
State Highway Agency

About this bridge

US75 HWY over Rock Creek Drainage is a concrete culvert carrying US75 HWY over Rock Creek Drainage in Montgomery County, Kansas. It was built in 1966, so it is 59 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 4,155 vehicles a day, roughly 14% of them trucks, projected to reach 5,070 by 2044. The structure is 21 ft (6.3 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesUS75 HWY
CrossesRock Creek Drainage
Location0.59 MI S Wjct US160
RouteU.S. Route 75
CountyMontgomery County
StateKansas
Coordinates37.21694, -95.765
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,155 (2023)
Projected traffic5,070 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Rock Creek Drainage built?

It was built in 1966, making it 59 years old in 2025.

What condition is US75 HWY over Rock Creek 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 March 2023.

How much traffic does US75 HWY over Rock Creek Drainage carry?

About 4,155 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US75 HWY over Rock Creek Drainage?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 46 ft wide.

Who owns US75 HWY over Rock Creek Drainage?

It is owned by the State Highway Agency.