US Bridges

27th ST Ext over Parsons Sub

Fair

Jackson County, Missouri · S 7 T 49 N R 33 W · Structure no. 35848

Built
1966
59 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
285 ft
2 main spans
Daily traffic
100
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

27th ST Ext over Parsons Sub is a steel continuous stringer/multi-beam or girder carrying 27th ST Ext over Parsons Sub in Jackson County, Missouri. It was built in 1966, so it is 59 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 285 ft (86.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries27th ST Ext
CrossesParsons Sub
LocationS 7 T 49 N R 33 W
RouteCity Street 27
Coordinates39.07922, -94.60224
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+3 approach)
Design loadHS 20
Structure length285 ft (86.8 m)
Longest span90 ft (27.4 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 27th ST Ext over Parsons Sub built?

It was built in 1966, making it 59 years old in 2025.

What condition is 27th ST Ext over Parsons Sub 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 April 2024.

How much traffic does 27th ST Ext over Parsons Sub carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 27th ST Ext over Parsons Sub?

The structure is 285 ft (86.8 m) long with a longest span of 90 ft (27.4 m) and a deck 35 ft wide.

Who owns 27th ST Ext over Parsons Sub?

It is owned by the City or Municipal Highway Agency.