US Bridges

K31 HWY over Pottawatomie Creek

Fair

Anderson County, Kansas · 12.76 MI SE Coffey Coln · Structure no. 999903100020191

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete Continuous
Length
266 ft
4 main spans
Daily traffic
605
2023 count
Owner
State
State Highway Agency

About this bridge

K31 HWY over Pottawatomie Creek is a concrete continuous tee beam carrying K31 HWY over Pottawatomie Creek in Anderson County, Kansas. It was built in 1960, so it is 65 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 5 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 605 vehicles a day, roughly 7% of them trucks, projected to reach 724 by 2044. The structure is 266 ft (81.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesK31 HWY
CrossesPottawatomie Creek
Location12.76 MI SE Coffey Coln
RouteState Highway 31
CountyAnderson County
StateKansas
Coordinates38.30222, -95.38389
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length266 ft (81.2 m)
Longest span77 ft (23.5 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic605 (2023)
Projected traffic724 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 K31 HWY over Pottawatomie Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is K31 HWY over Pottawatomie 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 February 2024.

How much traffic does K31 HWY over Pottawatomie Creek carry?

About 605 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is K31 HWY over Pottawatomie Creek?

The structure is 266 ft (81.2 m) long with a longest span of 77 ft (23.5 m) and a deck 33 ft wide.

Who owns K31 HWY over Pottawatomie Creek?

It is owned by the State Highway Agency.