US Bridges

Is 49 N over Buffalo CR

Good

Newton County, Missouri · S 7 T 24 N R 32 W · Structure no. 11752

Built
1999
26 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
271 ft
3 main spans
Daily traffic
9,968
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Buffalo CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over Buffalo CR in Newton County, Missouri. It was built in 1999, so it is 26 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 9,968 vehicles a day, roughly 33% of them trucks, projected to reach 18,441 by 2044. The structure is 271 ft (82.6 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 N
CrossesBuffalo CR
LocationS 7 T 24 N R 32 W
RouteInterstate 49
Coordinates36.83138, -94.41588
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.
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 rating84.3 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length271 ft (82.6 m)
Longest span91 ft (27.6 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,968 (2024)
Projected traffic18,441 by 2044
Trucks33%
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 Buffalo CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Is 49 N over Buffalo 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 Buffalo CR carry?

About 9,968 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Is 49 N over Buffalo CR?

The structure is 271 ft (82.6 m) long with a longest span of 91 ft (27.6 m) and a deck 41 ft wide.

Who owns Is 49 N over Buffalo CR?

It is owned by the State Highway Agency.