US Bridges

Arrowhead Rd. over Trib. Little Ark. River

Fair

McPherson County, Kansas · 2.0S 7.6W of Inman · Structure no. 000590757405480

Built
1950
75 years old, rebuilt 1992
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
28 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Arrowhead Rd. over Trib. Little Ark. River is a wood or timber stringer/multi-beam or girder carrying Arrowhead Rd. over Trib. Little Ark. River in McPherson County, Kansas. It was built in 1950 and reconstructed in 1992, so it is 75 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.

It carries about 30 vehicles a day, roughly 6% of them trucks, projected to reach 40 by 2040. The structure is 28 ft (8.4 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesArrowhead Rd.
CrossesTrib. Little Ark. River
Location2.0S 7.6W of Inman
RouteCounty Highway 0
CountyMcPherson County
StateKansas
Coordinates38.20282, -97.91546
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.7 US tons
Inventory rating34.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length28 ft (8.4 m)
Longest span13 ft (4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2020)
Projected traffic40 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Arrowhead Rd. over Trib. Little Ark. River built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is Arrowhead Rd. over Trib. Little Ark. River 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 October 2024.

How much traffic does Arrowhead Rd. over Trib. Little Ark. River carry?

About 30 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Arrowhead Rd. over Trib. Little Ark. River?

The structure is 28 ft (8.4 m) long with a longest span of 13 ft (4 m) and a deck 20 ft wide.

Who owns Arrowhead Rd. over Trib. Little Ark. River?

It is owned by the County Highway Agency.