US Bridges

Is 49 S over Buffalo Dry Br

Good

Newton County, Missouri · S 7 T 24 N R 32 W · Structure no. 11755

Built
1998
27 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
239 ft
3 main spans
Daily traffic
10,450
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Buffalo Dry Br is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 S over Buffalo Dry Br in Newton County, Missouri. It was built in 1998, so it is 27 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 10,450 vehicles a day, roughly 30% of them trucks, projected to reach 19,333 by 2044. The structure is 239 ft (72.8 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 S
CrossesBuffalo Dry Br
LocationS 7 T 24 N R 32 W
RouteInterstate 49
Coordinates36.82853, -94.41639
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 protection7 GoodSome minor problems.
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 rating91.3 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length239 ft (72.8 m)
Longest span80 ft (24.5 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2024)
Projected traffic19,333 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 S over Buffalo Dry Br built?

It was built in 1998, making it 27 years old in 2025.

What condition is Is 49 S over Buffalo Dry Br 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 S over Buffalo Dry Br carry?

About 10,450 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Is 49 S over Buffalo Dry Br?

The structure is 239 ft (72.8 m) long with a longest span of 80 ft (24.5 m) and a deck 41 ft wide.

Who owns Is 49 S over Buffalo Dry Br?

It is owned by the State Highway Agency.