US Bridges

Rs 20 over Little Grasshopper Creek

Good

Atchison County, Kansas · 5.5W 1.0N of Lancaster · Structure no. 000000000030130

Built
2005
20 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
272
2007 count
Owner
County
County Highway Agency

About this bridge

Rs 20 over Little Grasshopper Creek is a concrete continuous slab carrying Rs 20 over Little Grasshopper Creek in Atchison County, Kansas. It was built in 2005, so it is 20 years old, younger than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 272 vehicles a day, roughly 30% of them trucks, projected to reach 280 by 2042. The structure is 111 ft (33.9 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRs 20
CrossesLittle Grasshopper Creek
Location5.5W 1.0N of Lancaster
RouteCounty Highway 20
StateKansas
Coordinates39.58685, -95.40564
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating87 US tons
Inventory rating52.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length111 ft (33.9 m)
Longest span43 ft (13.1 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic272 (2007)
Projected traffic280 by 2042
Trucks30%
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 Rs 20 over Little Grasshopper Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Rs 20 over Little Grasshopper Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Rs 20 over Little Grasshopper Creek carry?

About 272 vehicles per day (2007 count), of which roughly 30% are trucks.

How long is Rs 20 over Little Grasshopper Creek?

The structure is 111 ft (33.9 m) long with a longest span of 43 ft (13.1 m) and a deck 30 ft wide.

Who owns Rs 20 over Little Grasshopper Creek?

It is owned by the County Highway Agency.