US Bridges

Adair Park RD over Adair CR

Good

Jackson County, Missouri · S 25 T 49 N R 32 W · Structure no. 19156

Built
1950
75 years old, rebuilt 1991
Condition
Good
inspected January 2023
Type
Slab
Concrete
Length
34 ft
2 main spans
Daily traffic
60
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Adair Park RD over Adair CR is a concrete slab carrying Adair Park RD over Adair CR in Jackson County, Missouri. It was built in 1950 and reconstructed in 1991, so it is 75 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 60 vehicles a day, roughly 1% of them trucks, projected to reach 78 by 2044. The structure is 34 ft (10.4 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAdair Park RD
CrossesAdair CR
LocationS 25 T 49 N R 32 W
RouteCity Street 0
Coordinates39.03824, -94.3884
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span15 ft (4.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic78 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Adair Park RD over Adair CR built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1991.

What condition is Adair Park RD over Adair CR 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 January 2023.

How much traffic does Adair Park RD over Adair CR carry?

About 60 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Adair Park RD over Adair CR?

The structure is 34 ft (10.4 m) long with a longest span of 15 ft (4.5 m) and a deck 27 ft wide.

Who owns Adair Park RD over Adair CR?

It is owned by the City or Municipal Highway Agency.