US Bridges

Farm RD 20 over Lit Pomme De Terre

Fair

Greene County, Missouri · S 24 T 31 N R 20 W · Structure no. 12814

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
124 ft
3 main spans
Daily traffic
47
2024 count
Owner
County
County Highway Agency

About this bridge

Farm RD 20 over Lit Pomme De Terre is a prestressed concrete tee beam carrying Farm RD 20 over Lit Pomme De Terre in Greene County, Missouri. It was built in 1990, so it is 35 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 47 vehicles a day, roughly 10% of them trucks, projected to reach 96 by 2044. The structure is 124 ft (37.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFarm RD 20
CrossesLit Pomme De Terre
LocationS 24 T 31 N R 20 W
RouteCounty Highway 20
Coordinates37.39181, -93.18294
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2024)
Projected traffic96 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 Farm RD 20 over Lit Pomme De Terre built?

It was built in 1990, making it 35 years old in 2025.

What condition is Farm RD 20 over Lit Pomme De Terre 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 April 2024.

How much traffic does Farm RD 20 over Lit Pomme De Terre carry?

About 47 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Farm RD 20 over Lit Pomme De Terre?

The structure is 124 ft (37.8 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns Farm RD 20 over Lit Pomme De Terre?

It is owned by the County Highway Agency.