US Bridges

County RD 184 over Br of Whetstone CR

Fair

Callaway County, Missouri · S 11 T 48 N R 8 W · Structure no. 24219

Built
1996
29 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 184 over Br of Whetstone CR is a concrete slab carrying County RD 184 over Br of Whetstone CR in Callaway County, Missouri. It was built in 1996, so it is 29 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 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 5% of them trucks, projected to reach 45 by 2043. The structure is 34 ft (10.4 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 184
CrossesBr of Whetstone CR
LocationS 11 T 48 N R 8 W
RouteCounty Highway 465
Coordinates38.94819, -91.78867
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.
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 inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadOther
Structure length34 ft (10.4 m)
Longest span31 ft (9.4 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic45 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-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 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 County RD 184 over Br of Whetstone CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is County RD 184 over Br of Whetstone 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 October 2024.

How much traffic does County RD 184 over Br of Whetstone CR carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County RD 184 over Br of Whetstone CR?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns County RD 184 over Br of Whetstone CR?

It is owned by the County Highway Agency.