US Bridges

Rt J S over Smith CR

Fair

Callaway County, Missouri · S 19 T 47 N R 10 W · Structure no. 8471

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
1,149
2024 count
Owner
State
State Highway Agency

About this bridge

Rt J S over Smith CR is a concrete continuous culvert carrying Rt J S over Smith CR in Callaway County, Missouri. It was built in 1966, so it is 59 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 1,149 vehicles a day, roughly 9% of them trucks, projected to reach 1,781 by 2044. The structure is 37 ft (11.4 m) long and 35 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesRt J S
CrossesSmith CR
LocationS 19 T 47 N R 10 W
RouteState Highway 0J
CountyCallaway County
StateMissouri
Coordinates38.83523, -92.10009
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating47.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,149 (2024)
Projected traffic1,781 by 2044
Trucks9%
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 Smith CR built?

It was built in 1966, making it 59 years old in 2025.

What condition is Rt J S over Smith 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 October 2024.

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

About 1,149 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Rt J S over Smith CR?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m) and a deck 35 ft wide.

Who owns Rt J S over Smith CR?

It is owned by the State Highway Agency.