US Bridges

NB Economy Parking over Bus LN

Good

Platte County, Missouri · S 15 T 52 N R 36 W · Structure no. 31393

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
153 ft
3 main spans
Daily traffic
1,189
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB Economy Parking over Bus LN is a concrete continuous slab carrying NB Economy Parking over Bus LN in Platte County, Missouri. It was built in 2004, so it is 21 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 1,189 vehicles a day, roughly 2% of them trucks, projected to reach 2,259 by 2044. The structure is 153 ft (46.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB Economy Parking
CrossesBus LN
LocationS 15 T 52 N R 36 W
RouteCity Street 0
Coordinates39.31545, -94.69977
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.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,189 (2024)
Projected traffic2,259 by 2044
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 NB Economy Parking over Bus LN built?

It was built in 2004, making it 21 years old in 2025.

What condition is NB Economy Parking over Bus LN 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 March 2024.

How much traffic does NB Economy Parking over Bus LN carry?

About 1,189 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is NB Economy Parking over Bus LN?

The structure is 153 ft (46.6 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns NB Economy Parking over Bus LN?

It is owned by the City or Municipal Highway Agency.