US Bridges

US75 HWY over Rock Creek

Good

Nemaha County, Kansas · 0.7 MI S Neb State Line · Structure no. 999907500660421

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
2,965
2023 count
Owner
State
State Highway Agency

About this bridge

US75 HWY over Rock Creek is a concrete continuous slab carrying US75 HWY over Rock Creek in Nemaha County, Kansas. It was built in 2015, so it is 10 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 2,965 vehicles a day, roughly 35% of them trucks, projected to reach 4,320 by 2044. The structure is 142 ft (43.4 m) long and 46 ft wide.

CarriesUS75 HWY
CrossesRock Creek
Location0.7 MI S Neb State Line
RouteU.S. Route 75
StateKansas
Coordinates39.99972, -95.79722
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length142 ft (43.4 m)
Longest span56 ft (17.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,965 (2023)
Projected traffic4,320 by 2044
Trucks35%
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 built?

It was built in 2015, making it 10 years old in 2025.

What condition is US75 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 June 2023.

How much traffic does US75 HWY over Rock Creek carry?

About 2,965 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is US75 HWY over Rock Creek?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns US75 HWY over Rock Creek?

It is owned by the State Highway Agency.