US Bridges

Mo 9 N over KCS RR UP RR

Fair

Jackson County, Missouri · S 26 T 50 N R 33 W · Structure no. 3386

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
389 ft
4 main spans
Daily traffic
9,469
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 9 N over KCS RR UP RR is a steel continuous stringer/multi-beam or girder carrying Mo 9 N over KCS RR UP 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,469 vehicles a day, roughly 4% of them trucks, projected to reach 12,783 by 2044. The structure is 389 ft (118.6 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesMo 9 N
CrossesKCS RR UP RR
LocationS 26 T 50 N R 33 W
RouteState Highway 9
CountyJackson County
StateMissouri
Coordinates39.11182, -94.5777
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.2 US tons
Inventory rating58.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length389 ft (118.6 m)
Longest span125 ft (38.1 m)
Deck width33 ft (10.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,469 (2024)
Projected traffic12,783 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 9 N over KCS RR UP RR built?

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

What condition is Mo 9 N over KCS RR UP RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Mo 9 N over KCS RR UP RR carry?

About 9,469 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 9 N over KCS RR UP RR?

The structure is 389 ft (118.6 m) long with a longest span of 125 ft (38.1 m) and a deck 33 ft wide.

Who owns Mo 9 N over KCS RR UP RR?

It is owned by the State Highway Agency.