US Bridges

Is 49 S over Rattlesnake Holw C

Fair

McDonald County, Missouri · S 34 T 21 N R 32 W · Structure no. 36354

Built
2021
4 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
15,111
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over Rattlesnake Holw C is a concrete continuous culvert carrying Is 49 S over Rattlesnake Holw C in McDonald County, Missouri. It was built in 2021, so it is 4 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 15,111 vehicles a day, roughly 26% of them trucks, projected to reach 26,444 by 2044. The structure is 34 ft (10.3 m) long and 38 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesIs 49 S
CrossesRattlesnake Holw C
LocationS 34 T 21 N R 32 W
RouteInterstate 49
Coordinates36.50013, -94.38238
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,111 (2024)
Projected traffic26,444 by 2044
Trucks26%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 49 S over Rattlesnake Holw C built?

It was built in 2021, making it 4 years old in 2025.

What condition is Is 49 S over Rattlesnake Holw C 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 February 2025.

How much traffic does Is 49 S over Rattlesnake Holw C carry?

About 15,111 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is Is 49 S over Rattlesnake Holw C?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns Is 49 S over Rattlesnake Holw C?

It is owned by the State Highway Agency.