US Bridges

NW 90th Ave over Middle Branch Bluff Cree

FairPosted for load

Harper County, Kansas · 6.3N 1.3E of Attica · Structure no. 000390725006667

Built
1960
65 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
50 ft
3 main spans
Daily traffic
10
2021 count
Owner
County
County Highway Agency

About this bridge

NW 90th Ave over Middle Branch Bluff Cree is a wood or timber stringer/multi-beam or girder carrying NW 90th Ave over Middle Branch Bluff Cree in Harper County, Kansas. It was built in 1960, so it is 65 years old, older 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 5 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 10 by 2043. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW 90th Ave
CrossesMiddle Branch Bluff Cree
Location6.3N 1.3E of Attica
RouteCounty Highway 0
StateKansas
Coordinates37.32953, -98.20319
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating28.5 US tons
Inventory rating21.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span16 ft (4.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2043
Trucks1%
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$111,000
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 90th Ave over Middle Branch Bluff Cree built?

It was built in 1960, making it 65 years old in 2025.

What condition is NW 90th Ave over Middle Branch Bluff Cree 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 February 2023.

How much traffic does NW 90th Ave over Middle Branch Bluff Cree carry?

About 10 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is NW 90th Ave over Middle Branch Bluff Cree?

The structure is 50 ft (15.2 m) long with a longest span of 16 ft (4.9 m) and a deck 20 ft wide.

Who owns NW 90th Ave over Middle Branch Bluff Cree?

It is owned by the County Highway Agency.