US Bridges

Brown RD over Big Turkey CR

Fair

Benton County, Missouri · S 29 T 39 N R 21 W · Structure no. 22025

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete
Length
133 ft
3 main spans
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Brown RD over Big Turkey CR is a prestressed concrete tee beam carrying Brown RD over Big Turkey CR in Benton County, Missouri. It was built in 1994, so it is 31 years old, younger 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 15 by 2043. The structure is 133 ft (40.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBrown RD
CrossesBig Turkey CR
LocationS 29 T 39 N R 21 W
RouteCounty Highway 336
Coordinates38.09472, -93.25809
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length133 ft (40.5 m)
Longest span50 ft (15.2 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Brown RD over Big Turkey CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Brown RD over Big Turkey 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 January 2024.

How much traffic does Brown RD over Big Turkey CR carry?

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

How long is Brown RD over Big Turkey CR?

The structure is 133 ft (40.5 m) long with a longest span of 50 ft (15.2 m) and a deck 26 ft wide.

Who owns Brown RD over Big Turkey CR?

It is owned by the County Highway Agency.