US Bridges

3000 St. 15.0-F.8 over Rock Creek

Good

Allen County, Kansas · 3.0N 2.0E of LA Harpe · Structure no. 000011045005808

Built
1970
55 years old, rebuilt 1997
Condition
Good
inspected February 2024
Type
Slab
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
40
2006 count
Owner
County
County Highway Agency

About this bridge

3000 St. 15.0-F.8 over Rock Creek is a concrete continuous slab carrying 3000 St. 15.0-F.8 over Rock Creek in Allen County, Kansas. It was built in 1970 and reconstructed in 1997, so it is 55 years old, older 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 40 vehicles a day, projected to reach 45 by 2044. The structure is 24 ft (7.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries3000 St. 15.0-F.8
CrossesRock Creek
Location3.0N 2.0E of LA Harpe
RouteCounty Highway 0
StateKansas
Coordinates37.95489, -95.26216
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.8 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span12 ft (3.6 m)
Deck width27 ft (8.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic40 (2006)
Projected traffic45 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$39,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 3000 St. 15.0-F.8 over Rock Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.

What condition is 3000 St. 15.0-F.8 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 3000 St. 15.0-F.8 over Rock Creek carry?

About 40 vehicles per day (2006 count).

How long is 3000 St. 15.0-F.8 over Rock Creek?

The structure is 24 ft (7.4 m) long with a longest span of 12 ft (3.6 m) and a deck 27 ft wide.

Who owns 3000 St. 15.0-F.8 over Rock Creek?

It is owned by the County Highway Agency.