US Bridges

Is 49 N over N Fk Spring Rvr

Fair

Barton County, Missouri · S 13 T 31 N R 31 W · Structure no. 2875

Built
1976
49 years old, rebuilt 2006
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
3 main spans
Daily traffic
7,069
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 N over N Fk Spring Rvr is a steel continuous stringer/multi-beam or girder carrying Is 49 N over N Fk Spring Rvr in Barton County, Missouri. It was built in 1976 and reconstructed in 2006, so it is 49 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 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 7,069 vehicles a day, roughly 25% of them trucks, projected to reach 12,371 by 2044. The structure is 182 ft (55.5 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 N
CrossesN Fk Spring Rvr
LocationS 13 T 31 N R 31 W
RouteInterstate 49
Coordinates37.42804, -94.29937
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span80 ft (24.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,069 (2024)
Projected traffic12,371 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 N Fk Spring Rvr built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2006.

What condition is Is 49 N over N Fk Spring Rvr 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 July 2023.

How much traffic does Is 49 N over N Fk Spring Rvr carry?

About 7,069 vehicles per day (2024 count), of which roughly 25% are trucks.

How long is Is 49 N over N Fk Spring Rvr?

The structure is 182 ft (55.5 m) long with a longest span of 80 ft (24.4 m) and a deck 42 ft wide.

Who owns Is 49 N over N Fk Spring Rvr?

It is owned by the State Highway Agency.