US Bridges

Mo 20 E over Fk of Elm Br

Good

Lafayette County, Missouri · S 26 T 50 N R 24 W · Structure no. 2214

Built
1984
41 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
1,597
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 20 E over Fk of Elm Br is a prestressed concrete continuous tee beam carrying Mo 20 E over Fk of Elm Br in Lafayette County, Missouri. It was built in 1984, so it is 41 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,597 vehicles a day, roughly 8% of them trucks, projected to reach 2,555 by 2044. The structure is 97 ft (29.6 m) long and 39 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 20 E
CrossesFk of Elm Br
LocationS 26 T 50 N R 24 W
RouteState Highway 20
Coordinates39.10442, -93.52435
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating110.1 US tons
Inventory rating75.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span32 ft (9.9 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,597 (2024)
Projected traffic2,555 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 Mo 20 E over Fk of Elm Br built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mo 20 E over Fk of Elm Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Mo 20 E over Fk of Elm Br carry?

About 1,597 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 20 E over Fk of Elm Br?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.9 m) and a deck 39 ft wide.

Who owns Mo 20 E over Fk of Elm Br?

It is owned by the State Highway Agency.