US Bridges

Is 49 N over Center CR

Fair

Jasper County, Missouri · S 34 T 28 N R 31 W · Structure no. 1707

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
368 ft
5 main spans
Daily traffic
9,671
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over Center CR is a steel continuous stringer/multi-beam or girder carrying Is 49 N over Center CR in Jasper County, Missouri. It was built in 1968, so it is 57 years old, older 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 5 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 9,671 vehicles a day, roughly 25% of them trucks, projected to reach 17,408 by 2044. The structure is 368 ft (112.2 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 49 N
CrossesCenter CR
LocationS 34 T 28 N R 31 W
RouteInterstate 49
CountyJasper County
StateMissouri
Coordinates37.10493, -94.31025
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length368 ft (112.2 m)
Longest span80 ft (24.4 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,671 (2024)
Projected traffic17,408 by 2044
Trucks25%
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 N over Center CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Is 49 N over Center CR 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 August 2023.

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

About 9,671 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Is 49 N over Center CR?

The structure is 368 ft (112.2 m) long with a longest span of 80 ft (24.4 m) and a deck 41 ft wide.

Who owns Is 49 N over Center CR?

It is owned by the State Highway Agency.