US Bridges

SE Rogers RD over Br of Grindstone C

Fair

DeKalb County, Missouri · S 9 T 57 N R 30 W · Structure no. 24291

Built
1978
47 years old, rebuilt 1998
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
2 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

SE Rogers RD over Br of Grindstone C is a steel stringer/multi-beam or girder carrying SE Rogers RD over Br of Grindstone C in DeKalb County, Missouri. It was built in 1978 and reconstructed in 1998, so it is 47 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 58 by 2044. The structure is 33 ft (10.1 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSE Rogers RD
CrossesBr of Grindstone C
LocationS 9 T 57 N R 30 W
RouteCounty Highway 474
Coordinates39.77571, -94.27674
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionFebruary 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating34.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span17 ft (5.2 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic58 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 SE Rogers RD over Br of Grindstone C built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1998.

What condition is SE Rogers RD over Br of Grindstone C 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 Rogers RD over Br of Grindstone C carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SE Rogers RD over Br of Grindstone C?

The structure is 33 ft (10.1 m) long with a longest span of 17 ft (5.2 m) and a deck 20 ft wide.

Who owns SE Rogers RD over Br of Grindstone C?

It is owned by the County Highway Agency.