US Bridges

Mo 11 S over Linn CR

Good

Adair County, Missouri · S 34 T 62 N R 16 W · Structure no. 33480

Built
2011
14 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
588
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 11 S over Linn CR is a prestressed concrete box beam or girders - multiple carrying Mo 11 S over Linn CR in Adair County, Missouri. It was built in 2011, so it is 14 years old, younger 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 588 vehicles a day, roughly 6% of them trucks, projected to reach 735 by 2044. The structure is 67 ft (20.4 m) long and 26 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesMo 11 S
CrossesLinn CR
LocationS 34 T 62 N R 16 W
RouteState Highway 11
Coordinates40.12661, -92.68358
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic588 (2024)
Projected traffic735 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 11 S over Linn CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Mo 11 S over Linn CR 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 December 2023.

How much traffic does Mo 11 S over Linn CR carry?

About 588 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Mo 11 S over Linn CR?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 26 ft wide.

Who owns Mo 11 S over Linn CR?

It is owned by the State Highway Agency.