US Bridges

Rt J S over Prarie Hollow

Fair

Morgan County, Missouri · S 23 T 41 N R 18 W · Structure no. 8305

Built
1963
62 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,012
2024 count
Owner
State
State Highway Agency

About this bridge

Rt J S over Prarie Hollow is a concrete continuous culvert carrying Rt J S over Prarie Hollow in Morgan County, Missouri. It was built in 1963, so it is 62 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 1,012 vehicles a day, roughly 12% of them trucks, projected to reach 1,872 by 2044. The structure is 27 ft (8.3 m) long and 32 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesRt J S
CrossesPrarie Hollow
LocationS 23 T 41 N R 18 W
RouteState Highway 0J
Coordinates38.30389, -92.87591
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.3 m)
Longest span12 ft (3.7 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,012 (2024)
Projected traffic1,872 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 Prarie Hollow built?

It was built in 1963, making it 62 years old in 2025.

What condition is Rt J S over Prarie Hollow 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 December 2023.

How much traffic does Rt J S over Prarie Hollow carry?

About 1,012 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Rt J S over Prarie Hollow?

The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m) and a deck 32 ft wide.

Who owns Rt J S over Prarie Hollow?

It is owned by the State Highway Agency.