US Bridges

Minor Col 11.2-N.0 over Grasshopper Creek

Good

Atchison County, Kansas · 6.0N 1.3E of Effingham · Structure no. 000031029003540

Built
1999
26 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
100
2007 count
Owner
County
County Highway Agency

About this bridge

Minor Col 11.2-N.0 over Grasshopper Creek is a concrete continuous slab carrying Minor Col 11.2-N.0 over Grasshopper Creek in Atchison County, Kansas. It was built in 1999, so it is 26 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 100 vehicles a day, roughly 11% of them trucks, projected to reach 150 by 2042. The structure is 88 ft (26.8 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMinor Col 11.2-N.0
CrossesGrasshopper Creek
Location6.0N 1.3E of Effingham
RouteCounty Highway 305
StateKansas
Coordinates39.60884, -95.37762
Functional classRural Minor 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 protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.5 US tons
Inventory rating44 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span34 ft (10.3 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 traffic100 (2007)
Projected traffic150 by 2042
Trucks11%
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 Minor Col 11.2-N.0 over Grasshopper Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Minor Col 11.2-N.0 over 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 Minor Col 11.2-N.0 over Grasshopper Creek carry?

About 100 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is Minor Col 11.2-N.0 over Grasshopper Creek?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns Minor Col 11.2-N.0 over Grasshopper Creek?

It is owned by the County Highway Agency.