US Bridges

Watermill Road over Trib. to Rock Creek

Good

Pottawatomie County, Kansas · E. Edge of Louisville · Structure no. 000000000750540

Built
2008
17 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
96
2013 count
Owner
County
County Highway Agency

About this bridge

Watermill Road over Trib. to Rock Creek is a concrete continuous slab carrying Watermill Road over Trib. to Rock Creek in Pottawatomie County, Kansas. It was built in 2008, so it is 17 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 96 vehicles a day, projected to reach 115 by 2043. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesWatermill Road
CrossesTrib. to Rock Creek
LocationE. Edge of Louisville
RouteCounty Highway 1258
CountyPottawatomie County
StateKansas
Coordinates39.25224, -96.30625
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.7 US tons
Inventory rating52.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span28 ft (8.5 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic96 (2013)
Projected traffic115 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Watermill Road over Trib. to Rock Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Watermill Road over Trib. to 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 August 2023.

How much traffic does Watermill Road over Trib. to Rock Creek carry?

About 96 vehicles per day (2013 count).

How long is Watermill Road over Trib. to Rock Creek?

The structure is 78 ft (23.8 m) long with a longest span of 28 ft (8.5 m) and a deck 30 ft wide.

Who owns Watermill Road over Trib. to Rock Creek?

It is owned by the County Highway Agency.