US Bridges

12.0-F.2 2400 St. over Rock Creek

Good

Allen County, Kansas · 3.0N of Laharpe · Structure no. 000011039005802

Built
1981
44 years old
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

12.0-F.2 2400 St. over Rock Creek is a concrete continuous slab carrying 12.0-F.2 2400 St. over Rock Creek in Allen County, Kansas. It was built in 1981, so it is 44 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 112 ft (34.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries12.0-F.2 2400 St.
CrossesRock Creek
Location3.0N of Laharpe
RouteCounty Highway 0
CountyAllen County
StateKansas
Coordinates37.96208, -95.31736
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating32.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span44 ft (13.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2006)
Projected traffic30 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 12.0-F.2 2400 St. over Rock Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is 12.0-F.2 2400 St. over Rock 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 February 2024.

How much traffic does 12.0-F.2 2400 St. over Rock Creek carry?

About 30 vehicles per day (2006 count).

How long is 12.0-F.2 2400 St. over Rock Creek?

The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns 12.0-F.2 2400 St. over Rock Creek?

It is owned by the County Highway Agency.