US Bridges

Local X-21.2 over Bluff Creek

FairPosted for load

Harper County, Kansas · 1.3N 3.0W of Bluff City · Structure no. 000390755007002

Built
1998
27 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
274 ft
6 main spans
Daily traffic
20
2021 count
Owner
County
County Highway Agency

About this bridge

Local X-21.2 over Bluff Creek is a steel continuous stringer/multi-beam or girder carrying Local X-21.2 over Bluff Creek in Harper County, Kansas. It was built in 1998, so it is 27 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2043. The structure is 274 ft (83.6 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal X-21.2
CrossesBluff Creek
Location1.3N 3.0W of Bluff City
RouteCounty Highway 0
CountyHarper County
StateKansas
Coordinates37.09247, -97.92967
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating20.9 US tons
Inventory rating12.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckCorrugated steel
Main spans6
Design loadUnknown
Structure length274 ft (83.6 m)
Longest span51 ft (15.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic20 (2021)
Projected traffic20 by 2043
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$546,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local X-21.2 over Bluff Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Local X-21.2 over Bluff Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Local X-21.2 over Bluff Creek carry?

About 20 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Local X-21.2 over Bluff Creek?

The structure is 274 ft (83.6 m) long with a longest span of 51 ft (15.6 m) and a deck 24 ft wide.

Who owns Local X-21.2 over Bluff Creek?

It is owned by the County Highway Agency.