US Bridges

Rs 296 (nw 100 Ave over Bluff Creek

Good

Harper County, Kansas · 3.5N of Attica · Structure no. 000000000390050

Built
1980
45 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
145 ft
8 main spans
Daily traffic
260
2021 count
Owner
County
County Highway Agency

About this bridge

Rs 296 (nw 100 Ave over Bluff Creek is a concrete culvert carrying Rs 296 (nw 100 Ave over Bluff Creek in Harper County, Kansas. It was built in 1980, so it is 45 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 260 vehicles a day, roughly 3% of them trucks, projected to reach 312 by 2043. The structure is 145 ft (44.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRs 296 (nw 100 Ave
CrossesBluff Creek
Location3.5N of Attica
RouteCounty Highway 296
CountyHarper County
StateKansas
Coordinates37.292, -98.221
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating16.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans8
Design loadH 20
Structure length145 ft (44.3 m)
Longest span17 ft (5.1 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic260 (2021)
Projected traffic312 by 2043
Trucks3%
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 Rs 296 (nw 100 Ave over Bluff Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rs 296 (nw 100 Ave over Bluff Creek 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 February 2023.

How much traffic does Rs 296 (nw 100 Ave over Bluff Creek carry?

About 260 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Rs 296 (nw 100 Ave over Bluff Creek?

The structure is 145 ft (44.3 m) long with a longest span of 17 ft (5.1 m) and a deck 34 ft wide.

Who owns Rs 296 (nw 100 Ave over Bluff Creek?

It is owned by the County Highway Agency.