US Bridges

US24 HWY over Frog Creek

Fair

Mitchell County, Kansas · 2.32 MI E K128 · Structure no. 999902400620071

Built
1934
91 years old, rebuilt 1961
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
54 ft
5 main spans
Daily traffic
2,226
2023 count
Owner
State
State Highway Agency

About this bridge

US24 HWY over Frog Creek is a concrete culvert carrying US24 HWY over Frog Creek in Mitchell County, Kansas. It was built in 1934 and reconstructed in 1961, so it is 91 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 2,226 vehicles a day, roughly 18% of them trucks, projected to reach 2,559 by 2044. The structure is 54 ft (16.5 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS24 HWY
CrossesFrog Creek
Location2.32 MI E K128
RouteU.S. Route 24
CountyMitchell County
StateKansas
Coordinates39.50556, -98.29861
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating31.2 US tons
Inventory rating18 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width55 ft (16.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,226 (2023)
Projected traffic2,559 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US24 HWY over Frog Creek built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1961.

What condition is US24 HWY over Frog 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 November 2024.

How much traffic does US24 HWY over Frog Creek carry?

About 2,226 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is US24 HWY over Frog Creek?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m) and a deck 55 ft wide.

Who owns US24 HWY over Frog Creek?

It is owned by the State Highway Agency.