US Bridges

Arapaho Rd. over Little Arkansas River

GoodPosted for load

McPherson County, Kansas · 3.0S 4.8W of Inman · Structure no. 000590763205500

Built
1977
48 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
219 ft
4 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

Arapaho Rd. over Little Arkansas River is a concrete continuous stringer/multi-beam or girder carrying Arapaho Rd. over Little Arkansas River in McPherson County, Kansas. It was built in 1977, so it is 48 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 40 vehicles a day, roughly 6% of them trucks, projected to reach 60 by 2040. The structure is 219 ft (66.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesArapaho Rd.
CrossesLittle Arkansas River
Location3.0S 4.8W of Inman
RouteCounty Highway 0
StateKansas
Coordinates38.18829, -97.86336
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating31.7 US tons
Inventory rating19 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length219 ft (66.6 m)
Longest span60 ft (18.2 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2022)
Projected traffic60 by 2040
Trucks6%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Arapaho Rd. over Little Arkansas River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Arapaho Rd. over Little Arkansas River 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 2024.

How much traffic does Arapaho Rd. over Little Arkansas River carry?

About 40 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Arapaho Rd. over Little Arkansas River?

The structure is 219 ft (66.6 m) long with a longest span of 60 ft (18.2 m) and a deck 28 ft wide.

Who owns Arapaho Rd. over Little Arkansas River?

It is owned by the County Highway Agency.