US Bridges

Mo 11 S over E Yellow CR

Fair

Linn County, Missouri · S 6 T 59 N R 18 W · Structure no. 3220

Built
1979
46 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
209 ft
4 main spans
Daily traffic
322
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 11 S over E Yellow CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 11 S over E Yellow CR in Linn County, Missouri. It was built in 1979, so it is 46 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 322 vehicles a day, roughly 9% of them trucks, projected to reach 403 by 2044. The structure is 209 ft (63.7 m) long and 37 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesMo 11 S
CrossesE Yellow CR
LocationS 6 T 59 N R 18 W
RouteState Highway 11
Coordinates39.95301, -92.95595
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating25.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length209 ft (63.7 m)
Longest span52 ft (16 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic322 (2024)
Projected traffic403 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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 11 S over E Yellow CR built?

It was built in 1979, making it 46 years old in 2025.

What condition is Mo 11 S over E Yellow 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 September 2024.

How much traffic does Mo 11 S over E Yellow CR carry?

About 322 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Mo 11 S over E Yellow CR?

The structure is 209 ft (63.7 m) long with a longest span of 52 ft (16 m) and a deck 37 ft wide.

Who owns Mo 11 S over E Yellow CR?

It is owned by the State Highway Agency.