US Bridges

Onaga Road over Hise Creek

GoodPosted for load

Pottawatomie County, Kansas · S. Edge of Onaga · Structure no. 000000000750060

Built
1985
40 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
1,105
2013 count
Owner
County
County Highway Agency

About this bridge

Onaga Road over Hise Creek is a concrete culvert carrying Onaga Road over Hise Creek in Pottawatomie County, Kansas. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 1,105 vehicles a day, projected to reach 1,326 by 2043. The structure is 34 ft (10.4 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesOnaga Road
CrossesHise Creek
LocationS. Edge of Onaga
RouteCounty Highway 483
CountyPottawatomie County
StateKansas
Coordinates39.48627, -96.16996
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating15.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length34 ft (10.4 m)
Longest span17 ft (5.2 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic1,105 (2013)
Projected traffic1,326 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Onaga Road over Hise Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Onaga Road over Hise 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 September 2023.

How much traffic does Onaga Road over Hise Creek carry?

About 1,105 vehicles per day (2013 count).

How long is Onaga Road over Hise Creek?

The structure is 34 ft (10.4 m) long with a longest span of 17 ft (5.2 m) and a deck 38 ft wide.

Who owns Onaga Road over Hise Creek?

It is owned by the County Highway Agency.