US Bridges

Is 49 N over Cst 163rd ST

Good

Cass County, Missouri · S 12 T 46 N R 33 W · Structure no. 32371

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
305 ft
3 main spans
Daily traffic
31,731
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Cst 163rd ST is a steel continuous stringer/multi-beam or girder carrying Is 49 N over Cst 163rd ST in Cass County, Missouri. It was built in 2008, so it is 17 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 31,731 vehicles a day, roughly 17% of them trucks, projected to reach 55,529 by 2044. The structure is 305 ft (93 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 N
CrossesCst 163rd ST
LocationS 12 T 46 N R 33 W
RouteInterstate 49
Coordinates38.82535, -94.52048
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating50.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length305 ft (93 m)
Longest span139 ft (42.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,731 (2024)
Projected traffic55,529 by 2044
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Is 49 N over Cst 163rd ST built?

It was built in 2008, making it 17 years old in 2025.

What condition is Is 49 N over Cst 163rd ST 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 November 2023.

How much traffic does Is 49 N over Cst 163rd ST carry?

About 31,731 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Is 49 N over Cst 163rd ST?

The structure is 305 ft (93 m) long with a longest span of 139 ft (42.4 m) and a deck 41 ft wide.

Who owns Is 49 N over Cst 163rd ST?

It is owned by the State Highway Agency.