US Bridges

Is 49 N over Miami CR

Good

Bates County, Missouri · S 8 T 39 N R 31 W · Structure no. 33028

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
296 ft
3 main spans
Daily traffic
8,202
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Miami CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 49 N over Miami CR in Bates County, Missouri. It was built in 2010, so it is 15 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 8,202 vehicles a day, roughly 33% of them trucks, projected to reach 14,354 by 2044. The structure is 296 ft (90.2 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIs 49 N
CrossesMiami CR
LocationS 8 T 39 N R 31 W
RouteInterstate 49
Coordinates38.17694, -94.3537
Functional classRural 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.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.2 US tons
Inventory rating63.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length296 ft (90.2 m)
Longest span105 ft (32 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,202 (2024)
Projected traffic14,354 by 2044
Trucks33%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 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 N over Miami CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Is 49 N over Miami 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 October 2023.

How much traffic does Is 49 N over Miami CR carry?

About 8,202 vehicles per day (2024 count), of which roughly 33% are trucks.

How long is Is 49 N over Miami CR?

The structure is 296 ft (90.2 m) long with a longest span of 105 ft (32 m) and a deck 41 ft wide.

Who owns Is 49 N over Miami CR?

It is owned by the State Highway Agency.