US Bridges

Mo 106 E over Spring Valley CR

Poor

Shannon County, Missouri · S 20 T 29 N R 6 W · Structure no. 6014

Built
1941
84 years old
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
181 ft
4 main spans
Daily traffic
871
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 106 E over Spring Valley CR is a steel stringer/multi-beam or girder carrying Mo 106 E over Spring Valley CR 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 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 871 vehicles a day, roughly 10% of them trucks, projected to reach 1,307 by 2044. The structure is 181 ft (55.2 m) long and 27 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesMo 106 E
CrossesSpring Valley CR
LocationS 20 T 29 N R 6 W
RouteState Highway 106
Coordinates37.1733, -91.62198
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: 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 rating33.7 US tons
Inventory rating18.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length181 ft (55.2 m)
Longest span50 ft (15.3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 106 E over Spring Valley CR built?

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

What condition is Mo 106 E over Spring Valley 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 Mo 106 E over Spring Valley CR carry?

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

How long is Mo 106 E over Spring Valley CR?

The structure is 181 ft (55.2 m) long with a longest span of 50 ft (15.3 m) and a deck 27 ft wide.

Who owns Mo 106 E over Spring Valley CR?

It is owned by the State Highway Agency.