US Bridges

S. Dade 191 over Linn Br

Fair

Dade County, Missouri · S 19 T 31 N R 25 W · Structure no. 20487

Built
1930
95 years old, rebuilt 1944
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
81 ft
3 main spans
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

S. Dade 191 over Linn Br is a concrete slab carrying S. Dade 191 over Linn Br in Dade County, Missouri. It was built in 1930 and reconstructed in 1944, so it is 95 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 5 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 23 by 2044. The structure is 81 ft (24.7 m) long and 14 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS. Dade 191
CrossesLinn Br
LocationS 19 T 31 N R 25 W
RouteCounty Highway 262
Coordinates37.40815, -93.73126
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length81 ft (24.7 m)
Longest span28 ft (8.5 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic23 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$407,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S. Dade 191 over Linn Br built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1944.

What condition is S. Dade 191 over Linn Br 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 January 2024.

How much traffic does S. Dade 191 over Linn Br carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is S. Dade 191 over Linn Br?

The structure is 81 ft (24.7 m) long with a longest span of 28 ft (8.5 m) and a deck 14 ft wide.

Who owns S. Dade 191 over Linn Br?

It is owned by the County Highway Agency.