US Bridges

US-50 HWY over Walnut St.

Good

Marion County, Kansas · 2.51 MI E Harvey Coln · Structure no. 999905000570511

Built
1994
31 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
4,812
2023 count
Owner
State
State Highway Agency

About this bridge

US-50 HWY over Walnut St. is a concrete continuous slab carrying US-50 HWY over Walnut St. in Marion County, Kansas. It was built in 1994, so it is 31 years old, younger 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 4,812 vehicles a day, roughly 48% of them trucks, projected to reach 4,909 by 2044. The structure is 142 ft (43.4 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-50 HWY
CrossesWalnut St.
Location2.51 MI E Harvey Coln
RouteU.S. Route 50
StateKansas
Coordinates38.17583, -97.10694
Functional classRural Principal Arterial - Other

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating101 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length142 ft (43.4 m)
Longest span56 ft (17.1 m)
Deck width46 ft (14 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,812 (2023)
Projected traffic4,909 by 2044
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US-50 HWY over Walnut St. built?

It was built in 1994, making it 31 years old in 2025.

What condition is US-50 HWY over Walnut St. 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 October 2023.

How much traffic does US-50 HWY over Walnut St. carry?

About 4,812 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is US-50 HWY over Walnut St.?

The structure is 142 ft (43.4 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns US-50 HWY over Walnut St.?

It is owned by the State Highway Agency.