US Bridges

K31 HWY over I-335 HWY (kta)

Good

Osage County, Kansas · JCT K-31 / Kta · Structure no. 999903100700521

Built
1956
69 years old, rebuilt 2022
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
4 main spans
Daily traffic
215
2023 count
Owner
State
State Highway Agency

About this bridge

K31 HWY over I-335 HWY (kta) is a steel continuous stringer/multi-beam or girder carrying K31 HWY over I-335 HWY (kta) in Osage County, Kansas. It was built in 1956 and reconstructed in 2022, so it is 69 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 215 vehicles a day, roughly 17% of them trucks, projected to reach 219 by 2044. The structure is 206 ft (62.8 m) long and 31 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesK31 HWY
CrossesI-335 HWY (kta)
LocationJCT K-31 / Kta
RouteState Highway 31
CountyOsage County
StateKansas
Coordinates38.75361, -95.93889
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: 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 rating46 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length206 ft (62.8 m)
Longest span58 ft (17.7 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215 (2023)
Projected traffic219 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed29.8 mi (48 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 I-335 HWY (kta) built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2022.

What condition is K31 HWY over I-335 HWY (kta) 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 May 2024.

How much traffic does K31 HWY over I-335 HWY (kta) carry?

About 215 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is K31 HWY over I-335 HWY (kta)?

The structure is 206 ft (62.8 m) long with a longest span of 58 ft (17.7 m) and a deck 31 ft wide.

Who owns K31 HWY over I-335 HWY (kta)?

It is owned by the State Highway Agency.