US Bridges

Is 49 N over Tennessee CR

Good

Cass County, Missouri · S 4 T 43 N R 31 W · Structure no. 2292

Built
1970
55 years old, rebuilt 2018
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
10,458
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Tennessee CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over Tennessee CR in Cass County, Missouri. It was built in 1970 and reconstructed in 2018, so it is 55 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 10,458 vehicles a day, roughly 27% of them trucks, projected to reach 18,302 by 2044. The structure is 108 ft (32.9 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 N
CrossesTennessee CR
LocationS 4 T 43 N R 31 W
RouteInterstate 49
Coordinates38.55186, -94.35126
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 rating70.4 US tons
Inventory rating41.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,458 (2024)
Projected traffic18,302 by 2044
Trucks27%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 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 Is 49 N over Tennessee CR built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2018.

What condition is Is 49 N over Tennessee 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 November 2023.

How much traffic does Is 49 N over Tennessee CR carry?

About 10,458 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is Is 49 N over Tennessee CR?

The structure is 108 ft (32.9 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns Is 49 N over Tennessee CR?

It is owned by the State Highway Agency.