US Bridges

NE 50th RD over Trib N Fk Spring R

Fair

Barton County, Missouri · S 32 T 33 N R 30 W · Structure no. 16738

Built
1930
95 years old, rebuilt 1991
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
30 ft
3 main spans
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

NE 50th RD over Trib N Fk Spring R is a concrete continuous slab carrying NE 50th RD over Trib N Fk Spring R in Barton County, Missouri. It was built in 1930 and reconstructed in 1991, so it is 95 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNE 50th RD
CrossesTrib N Fk Spring R
LocationS 32 T 33 N R 30 W
RouteCounty Highway 131
Coordinates37.57312, -94.25796
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating23.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic35 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 NE 50th RD over Trib N Fk Spring R built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1991.

What condition is NE 50th RD over Trib N Fk Spring R 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 March 2023.

How much traffic does NE 50th RD over Trib N Fk Spring R carry?

About 25 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NE 50th RD over Trib N Fk Spring R?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns NE 50th RD over Trib N Fk Spring R?

It is owned by the County Highway Agency.