US Bridges

86th ST over KCS RR

PoorPosted for load

Jackson County, Missouri · S 24 T 48 N R 33 W · Structure no. 25491

Built
1929
96 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
98 ft
7 main spans
Daily traffic
621
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

86th ST over KCS RR is a wood or timber stringer/multi-beam or girder carrying 86th ST over KCS RR in Jackson County, Missouri. It was built in 1929, so it is 96 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 621 vehicles a day, roughly 5% of them trucks, projected to reach 807 by 2044. The structure is 98 ft (29.9 m) long and 21 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
Carries86th ST
CrossesKCS RR
LocationS 24 T 48 N R 33 W
RouteCity Street 86
CountyJackson County
StateMissouri
Coordinates38.96921, -94.51502
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadOther
Structure length98 ft (29.9 m)
Longest span23 ft (7 m)
Deck width21 ft (6.3 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic621 (2024)
Projected traffic807 by 2044
Trucks5%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 86th ST over KCS RR built?

It was built in 1929, making it 96 years old in 2025.

What condition is 86th ST over KCS RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does 86th ST over KCS RR carry?

About 621 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 86th ST over KCS RR?

The structure is 98 ft (29.9 m) long with a longest span of 23 ft (7 m) and a deck 21 ft wide.

Who owns 86th ST over KCS RR?

It is owned by the City or Municipal Highway Agency.