US Bridges

Plum Trail over Shoal CR

Fair

Putnam County, Missouri · S 27 T 66 N R 17 W · Structure no. 18764

Built
1999
26 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
140 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Plum Trail over Shoal CR is a prestressed concrete continuous tee beam carrying Plum Trail over Shoal CR in Putnam County, Missouri. It was built in 1999, so it is 26 years old, younger 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 140 ft (42.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesPlum Trail
CrossesShoal CR
LocationS 27 T 66 N R 17 W
RouteCounty Highway 198
Coordinates40.49042, -92.8016
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Plum Trail over Shoal CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Plum Trail over Shoal 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 March 2023.

How much traffic does Plum Trail over Shoal CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Plum Trail over Shoal CR?

The structure is 140 ft (42.7 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns Plum Trail over Shoal CR?

It is owned by the County Highway Agency.