US Bridges

Harmony Road over Trib. to Big Bull Creek

Fair

Miami County, Kansas · 1.5W 1.3S of Hillsdale · Structure no. 000611085004863

Built
1926
99 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
22 ft
1 main span
Daily traffic
94
2011 count
Owner
County
County Highway Agency

About this bridge

Harmony Road over Trib. to Big Bull Creek is a concrete slab carrying Harmony Road over Trib. to Big Bull Creek in Miami County, Kansas. It was built in 1926, so it is 99 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 94 vehicles a day, roughly 2% of them trucks, projected to reach 98 by 2043. The structure is 22 ft (6.7 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesHarmony Road
CrossesTrib. to Big Bull Creek
Location1.5W 1.3S of Hillsdale
RouteCounty Highway 0
CountyMiami County
StateKansas
Coordinates38.64711, -94.88266
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating22 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span20 ft (6 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic94 (2011)
Projected traffic98 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Harmony Road over Trib. to Big Bull Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is Harmony Road over Trib. to Big Bull Creek 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 July 2023.

How much traffic does Harmony Road over Trib. to Big Bull Creek carry?

About 94 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Harmony Road over Trib. to Big Bull Creek?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6 m) and a deck 21 ft wide.

Who owns Harmony Road over Trib. to Big Bull Creek?

It is owned by the County Highway Agency.