County RD 343 over Stream

Fair

Butler County, Missouri · S 2 T 23 N R 5 E · Structure no. 22071

Built: 1922; 103 years old
Condition: Fair; inspected November 2023
Type: Slab; Concrete Continuous
Length: 30 ft; 2 main spans
Daily traffic: 100; 2024 count
Owner: County; County Highway Agency

About this bridge

County RD 343 over Stream is a concrete continuous slab carrying County RD 343 over Stream in Butler County, Missouri. It was built in 1922, so it is 103 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2044. The structure is 30 ft (9.1 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCounty RD 343

CrossesStream

LocationS 2 T 23 N R 5 E

RouteCounty Highway 343

CountyButler County

StateMissouri

Coordinates36.66506, -90.50209

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionNovember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating54.6 US tons

Inventory rating17.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans2

Design loadOther

Structure length30 ft (9.1 m)

Longest span14 ft (4.3 m)

Deck width23 ft (6.9 m)

Roadway width20 ft (6.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)

Projected traffic135 by 2044

Trucks10%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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 County RD 343 over Stream built?

It was built in 1922, making it 103 years old in 2025.

What condition is County RD 343 over Stream 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 November 2023.

How much traffic does County RD 343 over Stream carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 343 over Stream?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 23 ft wide.

Who owns County RD 343 over Stream?

It is owned by the County Highway Agency.