US Bridges

Rt J S over Long Br CR

Fair

Knox County, Missouri · S 14 T 62 N R 13 W · Structure no. 7459

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
204
2024 count
Owner
State
State Highway Agency

About this bridge

Rt J S over Long Br CR is a concrete continuous culvert carrying Rt J S over Long Br CR in Knox 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 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 204 vehicles a day, roughly 11% of them trucks, projected to reach 296 by 2044. The structure is 36 ft (11.1 m) long and 23 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesRt J S
CrossesLong Br CR
LocationS 14 T 62 N R 13 W
RouteState Highway 0J
CountyKnox County
StateMissouri
Coordinates40.16854, -92.31024
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.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length36 ft (11.1 m)
Longest span10 ft (3 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic204 (2024)
Projected traffic296 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 Long Br CR built?

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

What condition is Rt J S over Long Br 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 November 2023.

How much traffic does Rt J S over Long Br CR carry?

About 204 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt J S over Long Br CR?

The structure is 36 ft (11.1 m) long with a longest span of 10 ft (3 m) and a deck 23 ft wide.

Who owns Rt J S over Long Br CR?

It is owned by the State Highway Agency.