US Bridges

Mo 6 E over Hickory CR

Fair

Grundy County, Missouri · S 32 T 61 N R 25 W · Structure no. 658

Built
1962
63 years old, rebuilt 2005
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
119 ft
3 main spans
Daily traffic
2,813
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over Hickory CR is a steel continuous stringer/multi-beam or girder carrying Mo 6 E over Hickory CR in Grundy County, Missouri. It was built in 1962 and reconstructed in 2005, so it is 63 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 2,813 vehicles a day, roughly 29% of them trucks, projected to reach 4,923 by 2044. The structure is 119 ft (36.2 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesMo 6 E
CrossesHickory CR
LocationS 32 T 61 N R 25 W
RouteState Highway 6
CountyGrundy County
StateMissouri
Coordinates40.0321, -93.7295
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 alignment8: Equal to present desirable criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length119 ft (36.2 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,813 (2024)
Projected traffic4,923 by 2044
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 6 E over Hickory CR built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2005.

What condition is Mo 6 E over Hickory CR 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 October 2023.

How much traffic does Mo 6 E over Hickory CR carry?

About 2,813 vehicles per day (2024 count), of which roughly 29% are trucks.

How long is Mo 6 E over Hickory CR?

The structure is 119 ft (36.2 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns Mo 6 E over Hickory CR?

It is owned by the State Highway Agency.