US Bridges

Rt J S over Whippoorwill CR

Fair

Montgomery County, Missouri · S 21 T 47 N R 5 W · Structure no. 7280

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
47 ft
3 main spans
Daily traffic
126
2024 count
Owner
State
State Highway Agency

About this bridge

Rt J S over Whippoorwill CR is a concrete continuous culvert carrying Rt J S over Whippoorwill CR in Montgomery County, Missouri. It was built in 1962, so it is 63 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 126 vehicles a day, roughly 6% of them trucks, projected to reach 183 by 2044. The structure is 47 ft (14.4 m) long and 31 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesRt J S
CrossesWhippoorwill CR
LocationS 21 T 47 N R 5 W
RouteState Highway 0J
CountyMontgomery County
StateMissouri
Coordinates38.82494, -91.48734
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating75.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length47 ft (14.4 m)
Longest span15 ft (4.6 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126 (2024)
Projected traffic183 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 Whippoorwill CR built?

It was built in 1962, making it 63 years old in 2025.

What condition is Rt J S over Whippoorwill 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 September 2024.

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

About 126 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Rt J S over Whippoorwill CR?

The structure is 47 ft (14.4 m) long with a longest span of 15 ft (4.6 m) and a deck 31 ft wide.

Who owns Rt J S over Whippoorwill CR?

It is owned by the State Highway Agency.