US Bridges

Oak ST over Kct Railway 20th Street

Good

Jackson County, Missouri · S 8 T 49 N R 33 W · Structure no. 25416

Built
1930
95 years old, rebuilt 1990
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
729 ft
11 main spans
Daily traffic
7,794
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oak ST over Kct Railway 20th Street is a steel continuous stringer/multi-beam or girder carrying Oak ST over Kct Railway 20th Street in Jackson County, Missouri. It was built in 1930 and reconstructed in 1990, so it is 95 years old, older 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 7,794 vehicles a day, roughly 6% of them trucks, projected to reach 10,132 by 2044. The structure is 729 ft (222.2 m) long and 81 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOak ST
CrossesKct Railway 20th Street
LocationS 8 T 49 N R 33 W
RouteCity Street 0
Coordinates39.08737, -94.57922
Functional classUrban Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating44.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11 (+1 approach)
Design loadHS 20
Structure length729 ft (222.2 m)
Longest span100 ft (30.5 m)
Deck width81 ft (24.8 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,794 (2024)
Projected traffic10,132 by 2044
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
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 Oak ST over Kct Railway 20th Street built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1990.

What condition is Oak ST over Kct Railway 20th Street 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 March 2024.

How much traffic does Oak ST over Kct Railway 20th Street carry?

About 7,794 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Oak ST over Kct Railway 20th Street?

The structure is 729 ft (222.2 m) long with a longest span of 100 ft (30.5 m) and a deck 81 ft wide.

Who owns Oak ST over Kct Railway 20th Street?

It is owned by the City or Municipal Highway Agency.