US Bridges

Kingman 12-13.5 over Rock Creek

Good

Franklin County, Kansas · 1.0S 0.5E of Ottawa · Structure no. 000301043404980

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
163 ft
3 main spans
Daily traffic
30
2013 count
Owner
County
County Highway Agency

About this bridge

Kingman 12-13.5 over Rock Creek is a concrete continuous slab carrying Kingman 12-13.5 over Rock Creek in Franklin County, Kansas. It was built in 2018, so it is 7 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 30 vehicles a day, projected to reach 50 by 2043. The structure is 163 ft (49.6 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesKingman 12-13.5
CrossesRock Creek
Location1.0S 0.5E of Ottawa
RouteCounty Highway 971
CountyFranklin County
StateKansas
Coordinates38.56481, -95.25859
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length163 ft (49.6 m)
Longest span64 ft (19.5 m)
Deck width53 ft (16.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic30 (2013)
Projected traffic50 by 2043
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 Kingman 12-13.5 over Rock Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Kingman 12-13.5 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 June 2023.

How much traffic does Kingman 12-13.5 over Rock Creek carry?

About 30 vehicles per day (2013 count).

How long is Kingman 12-13.5 over Rock Creek?

The structure is 163 ft (49.6 m) long with a longest span of 64 ft (19.5 m) and a deck 53 ft wide.

Who owns Kingman 12-13.5 over Rock Creek?

It is owned by the County Highway Agency.