Rt J S over Boone CR

FairPosted for load

Crawford County, Missouri · S 27 T 40 N R 3 W · Structure no. 7445

Built: 1950; 75 years old
Condition: Fair; inspected May 2024
Type: Culvert; Concrete Continuous
Length: 40 ft; 4 main spans
Daily traffic: 387; 2024 count
Owner: State; State Highway Agency

About this bridge

Rt J S over Boone CR is a concrete continuous culvert carrying Rt J S over Boone CR in Crawford County, Missouri. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 387 vehicles a day, roughly 8% of them trucks, projected to reach 542 by 2044. The structure is 40 ft (12.2 m) long and 26 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesRt J S

CrossesBoone CR

LocationS 27 T 40 N R 3 W

RouteState Highway 0J

CountyCrawford County

StateMissouri

Coordinates38.16737, -91.24702

Functional classRural Major Collector

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
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionMay 2024

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourFoundations stable; scour above top of footing

Structural evaluation4: Meets minimum tolerable limits to be left in place as is

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

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating25.8 US tons

Inventory rating12.9 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans4

Design loadH 10

Structure length40 ft (12.2 m)

Longest span10 ft (3.2 m)

Deck width26 ft (7.9 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2024)

Projected traffic542 by 2044

Trucks8%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed19.9 mi (32 km)

TollOn a free road

National Highway SystemNo

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 Rt J S over Boone CR built?

It was built in 1950, making it 75 years old in 2025.

What condition is Rt J S over Boone 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 May 2024.

How much traffic does Rt J S over Boone CR carry?

About 387 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Rt J S over Boone CR?

The structure is 40 ft (12.2 m) long with a longest span of 10 ft (3.2 m) and a deck 26 ft wide.

Who owns Rt J S over Boone CR?

It is owned by the State Highway Agency.