US Bridges

Is 49 N over Rt H

Fair

McDonald County, Missouri · S 4 T 21 N R 32 W · Structure no. 30865

Built
2005
20 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
210 ft
3 main spans
Daily traffic
7,482
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Rt H is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over Rt H in McDonald County, Missouri. It was built in 2005, so it is 20 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 7,482 vehicles a day, roughly 33% of them trucks, projected to reach 13,094 by 2044. The structure is 210 ft (64.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 N
CrossesRt H
LocationS 4 T 21 N R 32 W
RouteInterstate 49
Coordinates36.58051, -94.39368
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating56.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length210 ft (64.1 m)
Longest span83 ft (25.3 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,482 (2024)
Projected traffic13,094 by 2044
Trucks33%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 49 N over Rt H built?

It was built in 2005, making it 20 years old in 2025.

What condition is Is 49 N over Rt H 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 October 2024.

How much traffic does Is 49 N over Rt H carry?

About 7,482 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Is 49 N over Rt H?

The structure is 210 ft (64.1 m) long with a longest span of 83 ft (25.3 m) and a deck 52 ft wide.

Who owns Is 49 N over Rt H?

It is owned by the State Highway Agency.