US Bridges

Rs 300 SE 90 Ave over Bluff Creek

Fair

Harper County, Kansas · N. Edge of Bluff City · Structure no. 000000000390140

Built
1984
41 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
236 ft
5 main spans
Daily traffic
153
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 300 SE 90 Ave over Bluff Creek is a concrete continuous slab carrying Rs 300 SE 90 Ave over Bluff Creek in Harper County, Kansas. It was built in 1984, so it is 41 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.

It carries about 153 vehicles a day, roughly 3% of them trucks, projected to reach 310 by 2043. The structure is 236 ft (71.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesRs 300 SE 90 Ave
CrossesBluff Creek
LocationN. Edge of Bluff City
RouteCounty Highway 300
CountyHarper County
StateKansas
Coordinates37.08269, -97.87473
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating36 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadUnknown
Structure length236 ft (71.9 m)
Longest span52 ft (15.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic153 (2021)
Projected traffic310 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$526,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 300 SE 90 Ave over Bluff Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Rs 300 SE 90 Ave 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 Rs 300 SE 90 Ave over Bluff Creek carry?

About 153 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Rs 300 SE 90 Ave over Bluff Creek?

The structure is 236 ft (71.9 m) long with a longest span of 52 ft (15.9 m) and a deck 30 ft wide.

Who owns Rs 300 SE 90 Ave over Bluff Creek?

It is owned by the County Highway Agency.