US Bridges

Road 12 over Rock Creek

Fair

Elk County, Kansas · 1.8N 3.0W of Howard · Structure no. 000250929006441

Built
1935
90 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
88 ft
1 main span
Daily traffic
15
2019 count
Owner
County
County Highway Agency

About this bridge

Road 12 over Rock Creek is a concrete tee beam carrying Road 12 over Rock Creek in Elk County, Kansas. It was built in 1935, so it is 90 years old, older than the Kansas average of 52.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 15 vehicles a day, roughly 5% of them trucks, projected to reach 20 by 2044. The structure is 88 ft (26.8 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRoad 12
CrossesRock Creek
Location1.8N 3.0W of Howard
RouteCounty Highway 2503
CountyElk County
StateKansas
Coordinates37.50221, -96.32592
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadUnknown
Structure length88 ft (26.8 m)
Longest span43 ft (13.1 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic15 (2019)
Projected traffic20 by 2044
Trucks5%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 12 over Rock Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Road 12 over Rock Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Road 12 over Rock Creek carry?

About 15 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Road 12 over Rock Creek?

The structure is 88 ft (26.8 m) long with a longest span of 43 ft (13.1 m) and a deck 23 ft wide.

Who owns Road 12 over Rock Creek?

It is owned by the County Highway Agency.