US Bridges

Mo 20 E over Salt Fk CR

Poor

Lafayette County, Missouri · S 24 T 50 N R 25 W · Structure no. 2060

Built
1969
56 years old
Condition
Poor
inspected January 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,619
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 20 E over Salt Fk CR is a concrete continuous culvert carrying Mo 20 E over Salt Fk CR in Lafayette County, Missouri. It was built in 1969, so it is 56 years old, older 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 1,619 vehicles a day, roughly 15% of them trucks, projected to reach 2,590 by 2044. The structure is 31 ft (9.3 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesMo 20 E
CrossesSalt Fk CR
LocationS 24 T 50 N R 25 W
RouteState Highway 20
CountyLafayette County
StateMissouri
Coordinates39.10789, -93.60327
Functional classRural Minor Arterial

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating87.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length31 ft (9.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,619 (2024)
Projected traffic2,590 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 20 E over Salt Fk CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is Mo 20 E over Salt Fk 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 January 2023.

How much traffic does Mo 20 E over Salt Fk CR carry?

About 1,619 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Mo 20 E over Salt Fk CR?

The structure is 31 ft (9.3 m) long with a longest span of 13 ft (4 m).

Who owns Mo 20 E over Salt Fk CR?

It is owned by the State Highway Agency.