US Bridges

K31 HWY over Fish Creek

Good

Bourbon County, Kansas · 0.25 MI S- Njct Old US69 · Structure no. 999903100060221

Built
1960
65 years old
Condition
Good
inspected February 2023
Type
Slab
Concrete Continuous
Length
133 ft
3 main spans
Daily traffic
544
2023 count
Owner
State
State Highway Agency

About this bridge

K31 HWY over Fish Creek is a concrete continuous slab carrying K31 HWY over Fish Creek in Bourbon 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 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.

It carries about 544 vehicles a day, roughly 16% of them trucks, projected to reach 544 by 2044. The structure is 133 ft (40.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesK31 HWY
CrossesFish Creek
Location0.25 MI S- Njct Old US69
RouteState Highway 31
StateKansas
Coordinates38.00472, -94.71306
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.4 m)
Longest span52 ft (15.8 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic544 (2023)
Projected traffic544 by 2044
Trucks16%
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 Fish Creek built?

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

What condition is K31 HWY over Fish 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 February 2023.

How much traffic does K31 HWY over Fish Creek carry?

About 544 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is K31 HWY over Fish Creek?

The structure is 133 ft (40.4 m) long with a longest span of 52 ft (15.8 m) and a deck 32 ft wide.

Who owns K31 HWY over Fish Creek?

It is owned by the State Highway Agency.