US Bridges

Robson Road over Darnells Creek

Good

Pottawatomie County, Kansas · 1.5N 1.5E of Westmoreland · Structure no. 000750921303805

Built
1996
29 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
10
2013 count
Owner
County
County Highway Agency

About this bridge

Robson Road over Darnells Creek is a steel stringer/multi-beam or girder carrying Robson Road over Darnells Creek in Pottawatomie County, Kansas. It was built in 1996, so it is 29 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 10 vehicles a day, projected to reach 15 by 2043. The structure is 60 ft (18.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRobson Road
CrossesDarnells Creek
Location1.5N 1.5E of Westmoreland
RouteCounty Highway 0
CountyPottawatomie County
StateKansas
Coordinates39.41376, -96.38343
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating99.8 US tons
Inventory rating99.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2013)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Robson Road over Darnells Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Robson Road over Darnells 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 Robson Road over Darnells Creek carry?

About 10 vehicles per day (2013 count).

How long is Robson Road over Darnells Creek?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 20 ft wide.

Who owns Robson Road over Darnells Creek?

It is owned by the County Highway Agency.