US Bridges

Lama RD over Br of W Yellow CR

Fair

Linn County, Missouri · S 12 T 60 N R 19 W · Structure no. 16421

Built
1997
28 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
5
2024 count
Owner
County
County Highway Agency

About this bridge

Lama RD over Br of W Yellow CR is a steel stringer/multi-beam or girder carrying Lama RD over Br of W Yellow CR in Linn County, Missouri. It was built in 1997, so it is 28 years old, younger 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 6 by 2044. The structure is 32 ft (9.8 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesLama RD
CrossesBr of W Yellow CR
LocationS 12 T 60 N R 19 W
RouteCounty Highway 119
Coordinates40.02748, -92.96936
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.2 US tons
Inventory rating56.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length32 ft (9.8 m)
Longest span31 ft (9.4 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2024)
Projected traffic6 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Lama RD over Br of W Yellow CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is Lama RD over Br of W 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 November 2024.

How much traffic does Lama RD over Br of W Yellow CR carry?

About 5 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lama RD over Br of W Yellow CR?

The structure is 32 ft (9.8 m) long with a longest span of 31 ft (9.4 m) and a deck 22 ft wide.

Who owns Lama RD over Br of W Yellow CR?

It is owned by the County Highway Agency.