US Bridges

12th RD (rs 433) over Bommer Creek

FairPosted for load

Marshall County, Kansas · 2.5S of Oketo · Structure no. 000000000580150

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
474
2007 count
Owner
County
County Highway Agency

About this bridge

12th RD (rs 433) over Bommer Creek is a concrete culvert carrying 12th RD (rs 433) over Bommer Creek in Marshall County, Kansas. It was built in 1967, so it is 58 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. Its operating status is: posted for load restriction.

It carries about 474 vehicles a day, roughly 11% of them trucks, projected to reach 500 by 2043. The structure is 26 ft (7.9 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries12th RD (rs 433)
CrossesBommer Creek
Location2.5S of Oketo
RouteCounty Highway 433
StateKansas
Coordinates39.93018, -96.60085
Functional classRural Major 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8.8 US tons
Inventory rating5.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 m)
Longest span12 ft (3.6 m)
Deck width60 ft (18.3 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deck100 ft (30.5 m)

Traffic and service

Average daily traffic474 (2007)
Projected traffic500 by 2043
Trucks11%
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 12th RD (rs 433) over Bommer Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is 12th RD (rs 433) over Bommer 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 July 2023.

How much traffic does 12th RD (rs 433) over Bommer Creek carry?

About 474 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is 12th RD (rs 433) over Bommer Creek?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.6 m) and a deck 60 ft wide.

Who owns 12th RD (rs 433) over Bommer Creek?

It is owned by the County Highway Agency.