US Bridges

SE Grindstone RD over Br of W Fk Lost CR

Fair

DeKalb County, Missouri · S 14 T 58 N R 31 W · Structure no. 19833

Built
1930
95 years old, rebuilt 1998
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
2 main spans
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

SE Grindstone RD over Br of W Fk Lost CR is a steel stringer/multi-beam or girder carrying SE Grindstone RD over Br of W Fk Lost CR in DeKalb County, Missouri. It was built in 1930 and reconstructed in 1998, 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 35 by 2044. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSE Grindstone RD
CrossesBr of W Fk Lost CR
LocationS 14 T 58 N R 31 W
RouteCounty Highway 236
Coordinates39.83474, -94.35416
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.4 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic35 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$174,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SE Grindstone RD over Br of W Fk Lost CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1998.

What condition is SE Grindstone RD over Br of W Fk Lost 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 February 2023.

How much traffic does SE Grindstone RD over Br of W Fk Lost CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE Grindstone RD over Br of W Fk Lost CR?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m) and a deck 18 ft wide.

Who owns SE Grindstone RD over Br of W Fk Lost CR?

It is owned by the County Highway Agency.