US Bridges

Mo 6 E over No CR

Fair

Grundy County, Missouri · S 17 T 61 N R 23 W · Structure no. 5516

Built
1931
94 years old, rebuilt 1998
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
5 main spans
Daily traffic
2,217
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 6 E over No CR is a steel stringer/multi-beam or girder carrying Mo 6 E over No CR in Grundy County, Missouri. It was built in 1931 and reconstructed in 1998, so it is 94 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 2,217 vehicles a day, roughly 16% of them trucks, projected to reach 3,880 by 2044. The structure is 212 ft (64.6 m) long and 43 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesMo 6 E
CrossesNo CR
LocationS 17 T 61 N R 23 W
RouteState Highway 6
CountyGrundy County
StateMissouri
Coordinates40.07606, -93.49922
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.8 US tons
Inventory rating16.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span43 ft (13 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,217 (2024)
Projected traffic3,880 by 2044
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 No CR built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1998.

What condition is Mo 6 E over No 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 No CR carry?

About 2,217 vehicles per day (2024 count), of which roughly 16% are trucks.

How long is Mo 6 E over No CR?

The structure is 212 ft (64.6 m) long with a longest span of 43 ft (13 m) and a deck 43 ft wide.

Who owns Mo 6 E over No CR?

It is owned by the State Highway Agency.