US Bridges

Walnut ST over KCS RR

Good

Jackson County, Missouri · S 36 T 49 N R 31 W · Structure no. 13591

Built
1987
38 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
154 ft
3 main spans
Daily traffic
2,000
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Walnut ST over KCS RR is a steel continuous stringer/multi-beam or girder carrying Walnut ST over KCS RR in Jackson County, Missouri. It was built in 1987, so it is 38 years old, younger than the Missouri average of 45.1 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 2,000 vehicles a day, roughly 15% of them trucks, projected to reach 2,600 by 2044. The structure is 154 ft (46.9 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesWalnut ST
CrossesKCS RR
LocationS 36 T 49 N R 31 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates39.01674, -94.27949
Functional classUrban Local

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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.7 US tons
Inventory rating18.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length154 ft (46.9 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic2,600 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut ST over KCS RR built?

It was built in 1987, making it 38 years old in 2025.

What condition is Walnut ST over KCS RR 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 Walnut ST over KCS RR carry?

About 2,000 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Walnut ST over KCS RR?

The structure is 154 ft (46.9 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns Walnut ST over KCS RR?

It is owned by the City or Municipal Highway Agency.