US Bridges

Cheyenne Rd. over Blaze Fork

Fair

McPherson County, Kansas · 1.0N 2.3E of Inman · Structure no. 000590777305420

Built
1979
46 years old
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Cheyenne Rd. over Blaze Fork is a concrete continuous slab carrying Cheyenne Rd. over Blaze Fork in McPherson County, Kansas. It was built in 1979, so it is 46 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 50 vehicles a day, roughly 6% of them trucks, projected to reach 63 by 2040. The structure is 113 ft (34.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCheyenne Rd.
CrossesBlaze Fork
Location1.0N 2.3E of Inman
RouteCounty Highway 0
StateKansas
Coordinates38.24641, -97.73401
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length113 ft (34.3 m)
Longest span44 ft (13.4 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck21 ft (6.4 m)

Traffic and service

Average daily traffic50 (2020)
Projected traffic63 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 Cheyenne Rd. over Blaze Fork built?

It was built in 1979, making it 46 years old in 2025.

What condition is Cheyenne Rd. over Blaze Fork 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 November 2024.

How much traffic does Cheyenne Rd. over Blaze Fork carry?

About 50 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Cheyenne Rd. over Blaze Fork?

The structure is 113 ft (34.3 m) long with a longest span of 44 ft (13.4 m) and a deck 28 ft wide.

Who owns Cheyenne Rd. over Blaze Fork?

It is owned by the County Highway Agency.