US Bridges

Rs 18 over Little Grasshopper Creek

FairPosted for load

Atchison County, Kansas · 0.2E 0.2S of Muscotah · Structure no. 000000000030060

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
3 main spans
Daily traffic
325
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 18 over Little Grasshopper Creek is a steel continuous stringer/multi-beam or girder carrying Rs 18 over Little Grasshopper Creek in Atchison County, Kansas. It was built in 1957, so it is 68 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. Its operating status is: posted for load restriction.

It carries about 325 vehicles a day, roughly 11% of them trucks, projected to reach 300 by 2042. The structure is 206 ft (62.8 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRs 18
CrossesLittle Grasshopper Creek
Location0.2E 0.2S of Muscotah
RouteCounty Highway 18
CountyAtchison County
StateKansas
Coordinates39.54817, -95.51537
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating26.7 US tons
Inventory rating16.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOther
Main spans3
Design loadH 15
Structure length206 ft (62.8 m)
Longest span78 ft (23.7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic325 (2007)
Projected traffic300 by 2042
Trucks11%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rs 18 over Little Grasshopper Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Rs 18 over Little Grasshopper 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 2024.

How much traffic does Rs 18 over Little Grasshopper Creek carry?

About 325 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is Rs 18 over Little Grasshopper Creek?

The structure is 206 ft (62.8 m) long with a longest span of 78 ft (23.7 m) and a deck 26 ft wide.

Who owns Rs 18 over Little Grasshopper Creek?

It is owned by the County Highway Agency.