US Bridges

Mo 142 E over Elkhorn Br

Good

Howell County, Missouri · S 5 T 21 N R 8 W · Structure no. 7676

Built
1954
71 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
53 ft
4 main spans
Daily traffic
322
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 142 E over Elkhorn Br is a concrete continuous culvert carrying Mo 142 E over Elkhorn Br in Howell County, Missouri. It was built in 1954, so it is 71 years old, older 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 322 vehicles a day, roughly 17% of them trucks, projected to reach 483 by 2044. The structure is 53 ft (16.1 m) long and 23 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

CarriesMo 142 E
CrossesElkhorn Br
LocationS 5 T 21 N R 8 W
RouteState Highway 142
Coordinates36.51147, -91.86428
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadH 10
Structure length53 ft (16.1 m)
Longest span11 ft (3.4 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2024)
Projected traffic483 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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 142 E over Elkhorn Br built?

It was built in 1954, making it 71 years old in 2025.

What condition is Mo 142 E over Elkhorn 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 October 2024.

How much traffic does Mo 142 E over Elkhorn Br carry?

About 322 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 142 E over Elkhorn Br?

The structure is 53 ft (16.1 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns Mo 142 E over Elkhorn Br?

It is owned by the State Highway Agency.