US Bridges

Is 49 N over Cedar CR

Good

Newton County, Missouri · S 21 T 26 N R 32 W · Structure no. 4206

Built
1996
29 years old
Condition
Good
inspected September 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
277 ft
3 main spans
Daily traffic
14,033
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Cedar CR is a prestressed concrete continuous tee beam carrying Is 49 N over Cedar CR in Newton County, Missouri. It was built in 1996, so it is 29 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 14,033 vehicles a day, roughly 30% of them trucks, projected to reach 25,961 by 2044. The structure is 277 ft (84.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 N
CrossesCedar CR
LocationS 21 T 26 N R 32 W
RouteInterstate 49
Coordinates36.95588, -94.42979
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating64.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length277 ft (84.4 m)
Longest span93 ft (28.2 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,033 (2024)
Projected traffic25,961 by 2044
Trucks30%
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 Cedar CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is Is 49 N over Cedar 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 September 2023.

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

About 14,033 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Is 49 N over Cedar CR?

The structure is 277 ft (84.4 m) long with a longest span of 93 ft (28.2 m) and a deck 41 ft wide.

Who owns Is 49 N over Cedar CR?

It is owned by the State Highway Agency.