US Bridges

Road 12 over Trib. to Crooked Creek

GoodPosted for load

Gray County, Kansas · 0.5W 1.8S of Montezuma · Structure no. 000350479006343

Built
1971
54 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Road 12 over Trib. to Crooked Creek is a concrete culvert carrying Road 12 over Trib. to Crooked Creek in Gray County, Kansas. It was built in 1971, so it is 54 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2041. The structure is 24 ft (7.3 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoad 12
CrossesTrib. to Crooked Creek
Location0.5W 1.8S of Montezuma
RouteCounty Highway 0
StateKansas
Coordinates37.572, -100.45201
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating28.3 US tons
Inventory rating16.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic50 (2021)
Projected traffic55 by 2041
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 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 Road 12 over Trib. to Crooked Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Road 12 over Trib. to Crooked 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 January 2023.

How much traffic does Road 12 over Trib. to Crooked Creek carry?

About 50 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Road 12 over Trib. to Crooked Creek?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 36 ft wide.

Who owns Road 12 over Trib. to Crooked Creek?

It is owned by the County Highway Agency.