US Bridges

Is 49 N over US 60

Fair

Newton County, Missouri · S 34 T 25 N R 32 W · Structure no. 11745

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

About this bridge

Is 49 N over US 60 is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over US 60 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 9,968 vehicles a day, roughly 33% of them trucks, projected to reach 18,441 by 2044. The structure is 245 ft (74.7 m) long and 41 ft wide.

CarriesIs 49 N
CrossesUS 60
LocationS 34 T 25 N R 32 W
RouteInterstate 49
Coordinates36.8402, -94.41531
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.3 US tons
Inventory rating52.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length245 ft (74.7 m)
Longest span94 ft (28.7 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
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 49 N over US 60 built?

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

What condition is Is 49 N over US 60 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Is 49 N over US 60 carry?

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

How long is Is 49 N over US 60?

The structure is 245 ft (74.7 m) long with a longest span of 94 ft (28.7 m) and a deck 41 ft wide.

Who owns Is 49 N over US 60?

It is owned by the State Highway Agency.