US Bridges

NW 140th RD over Middle Branch Bluff Crk

Good

Harper County, Kansas · 8.0N 0.8E of Attica · Structure no. 000390723706640

Built
2016
9 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
30
2021 count
Owner
County
County Highway Agency

About this bridge

NW 140th RD over Middle Branch Bluff Crk is a steel stringer/multi-beam or girder carrying NW 140th RD over Middle Branch Bluff Crk in Harper County, Kansas. It was built in 2016, so it is 9 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 30 vehicles a day, projected to reach 40 by 2043. The structure is 41 ft (12.6 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNW 140th RD
CrossesMiddle Branch Bluff Crk
Location8.0N 0.8E of Attica
RouteCounty Highway 1872
CountyHarper County
StateKansas
Coordinates37.35542, -98.20775
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 protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating62.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length41 ft (12.6 m)
Longest span40 ft (12.1 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2021)
Projected traffic40 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 NW 140th RD over Middle Branch Bluff Crk built?

It was built in 2016, making it 9 years old in 2025.

What condition is NW 140th RD over Middle Branch Bluff Crk 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 April 2023.

How much traffic does NW 140th RD over Middle Branch Bluff Crk carry?

About 30 vehicles per day (2021 count).

How long is NW 140th RD over Middle Branch Bluff Crk?

The structure is 41 ft (12.6 m) long with a longest span of 40 ft (12.1 m) and a deck 25 ft wide.

Who owns NW 140th RD over Middle Branch Bluff Crk?

It is owned by the County Highway Agency.