US Bridges

56th ST over UP RR

FairPosted for load

Jackson County, Missouri · S 35 T 48 N R 32 W · Structure no. 25460

Built
1946
79 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
88 ft
3 main spans
Daily traffic
696
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

56th ST over UP RR is a concrete continuous slab carrying 56th ST over UP RR in Jackson County, Missouri. It was built in 1946, so it is 79 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 696 vehicles a day, roughly 2% of them trucks, projected to reach 905 by 2044. The structure is 88 ft (26.8 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries56th ST
CrossesUP RR
LocationS 35 T 48 N R 32 W
RouteCity Street 222
CountyJackson County
StateMissouri
Coordinates39.01912, -94.41395
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length88 ft (26.8 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic696 (2024)
Projected traffic905 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 56th ST over UP RR built?

It was built in 1946, making it 79 years old in 2025.

What condition is 56th ST over 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 March 2024.

How much traffic does 56th ST over UP RR carry?

About 696 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is 56th ST over UP RR?

The structure is 88 ft (26.8 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns 56th ST over UP RR?

It is owned by the City or Municipal Highway Agency.