US Bridges

S Liberty Parkway over BNSF RR

Good

Clay County, Missouri · S 30 T 51 N R 31 W · Structure no. 36605

Built
2019
6 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
180 ft
2 main spans
Daily traffic
6,600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Liberty Parkway over BNSF RR is a prestressed concrete continuous tee beam carrying S Liberty Parkway over BNSF RR in Clay County, Missouri. It was built in 2019, so it is 6 years old, younger 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 6,600 vehicles a day, roughly 10% of them trucks, projected to reach 10,560 by 2044. The structure is 180 ft (54.9 m) long and 67 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesS Liberty Parkway
CrossesBNSF RR
LocationS 30 T 51 N R 31 W
RouteCounty Highway 247
CountyClay County
StateMissouri
Coordinates39.20775, -94.43689
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.4 US tons
Inventory rating24.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length180 ft (54.9 m)
Longest span148 ft (45.1 m)
Deck width67 ft (20.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2024)
Projected traffic10,560 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 S Liberty Parkway over BNSF RR built?

It was built in 2019, making it 6 years old in 2025.

What condition is S Liberty Parkway over BNSF RR 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 December 2023.

How much traffic does S Liberty Parkway over BNSF RR carry?

About 6,600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S Liberty Parkway over BNSF RR?

The structure is 180 ft (54.9 m) long with a longest span of 148 ft (45.1 m) and a deck 67 ft wide.

Who owns S Liberty Parkway over BNSF RR?

It is owned by the City or Municipal Highway Agency.