US Bridges

140th Road over Marlow CR

Poor

Worth County, Missouri · S 18 T 66 N R 31 W · Structure no. 19100

Built
1990
35 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

140th Road over Marlow CR is a concrete culvert carrying 140th Road over Marlow CR in Worth 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries140th Road
CrossesMarlow CR
LocationS 18 T 66 N R 31 W
RouteCounty Highway 211
CountyWorth County
StateMissouri
Coordinates40.51446, -94.45792
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 140th Road over Marlow CR built?

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

What condition is 140th Road over Marlow CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2024.

How much traffic does 140th Road over Marlow CR carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 140th Road over Marlow CR?

The structure is 38 ft (11.6 m) long with a longest span of 17 ft (5.2 m).

Who owns 140th Road over Marlow CR?

It is owned by the County Highway Agency.