US Bridges

Is 49 S over N Fk Spring Rvr Ov

Poor

Barton County, Missouri · S 14 T 31 N R 31 W · Structure no. 4682

Built
1947
78 years old
Condition
Poor
inspected July 2023
Type
Slab
Concrete Continuous
Length
225 ft
9 main spans
Daily traffic
8,139
2024 count
Owner
State
State Highway Agency

About this bridge

Is 49 S over N Fk Spring Rvr Ov is a concrete continuous slab carrying Is 49 S over N Fk Spring Rvr Ov in Barton County, Missouri. It was built in 1947, so it is 78 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,139 vehicles a day, roughly 26% of them trucks, projected to reach 14,243 by 2044. The structure is 225 ft (68.6 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 49 S
CrossesN Fk Spring Rvr Ov
LocationS 14 T 31 N R 31 W
RouteInterstate 49
Coordinates37.42112, -94.29976
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans9
Design loadH 20
Structure length225 ft (68.6 m)
Longest span25 ft (7.6 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,139 (2024)
Projected traffic14,243 by 2044
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 49 S over N Fk Spring Rvr Ov built?

It was built in 1947, making it 78 years old in 2025.

What condition is Is 49 S over N Fk Spring Rvr Ov in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

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

About 8,139 vehicles per day (2024 count), of which roughly 26% are trucks.

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

The structure is 225 ft (68.6 m) long with a longest span of 25 ft (7.6 m) and a deck 32 ft wide.

Who owns Is 49 S over N Fk Spring Rvr Ov?

It is owned by the State Highway Agency.