US Bridges

Mo 106 E over Humore Hollow

Fair

Shannon County, Missouri · S 21 T 29 N R 6 W · Structure no. 6010

Built
1941
84 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
871
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 106 E over Humore Hollow is a concrete continuous culvert carrying Mo 106 E over Humore Hollow in Shannon County, Missouri. It was built in 1941, so it is 84 years old, older 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 871 vehicles a day, roughly 10% of them trucks, projected to reach 1,307 by 2044. The structure is 34 ft (10.3 m) long and 37 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesMo 106 E
CrossesHumore Hollow
LocationS 21 T 29 N R 6 W
RouteState Highway 106
Coordinates37.17042, -91.61785
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.2 US tons
Inventory rating56.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length34 ft (10.3 m)
Longest span8 ft (2.4 m)
Deck width37 ft (11.2 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic871 (2024)
Projected traffic1,307 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.3 mi (89 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 106 E over Humore Hollow built?

It was built in 1941, making it 84 years old in 2025.

What condition is Mo 106 E over Humore Hollow 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 December 2024.

How much traffic does Mo 106 E over Humore Hollow carry?

About 871 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 106 E over Humore Hollow?

The structure is 34 ft (10.3 m) long with a longest span of 8 ft (2.4 m) and a deck 37 ft wide.

Who owns Mo 106 E over Humore Hollow?

It is owned by the State Highway Agency.