US Bridges

NW 10 RD over Bluff Creek

PoorPosted for load

Harper County, Kansas · 1.0N 3.5W of Anthony · Structure no. 000390737106900

Built
1965
60 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
270 ft
14 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NW 10 RD over Bluff Creek is a wood or timber stringer/multi-beam or girder carrying NW 10 RD over Bluff Creek in Harper County, Kansas. It was built in 1965, so it is 60 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 5% of them trucks, projected to reach 10 by 2043. The structure is 270 ft (82.3 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 10 RD
CrossesBluff Creek
Location1.0N 3.5W of Anthony
RouteCounty Highway 0
StateKansas
Coordinates37.16636, -98.09239
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.4 US tons
Inventory rating13.4 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans14
Design loadUnknown
Structure length270 ft (82.3 m)
Longest span19 ft (5.7 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 (2021)
Projected traffic10 by 2043
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$280,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 10 RD over Bluff Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is NW 10 RD over Bluff Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does NW 10 RD over Bluff Creek carry?

About 10 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NW 10 RD over Bluff Creek?

The structure is 270 ft (82.3 m) long with a longest span of 19 ft (5.7 m) and a deck 20 ft wide.

Who owns NW 10 RD over Bluff Creek?

It is owned by the County Highway Agency.