US Bridges

Old Wmsberg RD over Whetstone CR

Good

Montgomery County, Missouri · S 7 T 48 N R 6 W · Structure no. 18766

Built
1999
26 years old
Condition
Good
inspected January 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

Old Wmsberg RD over Whetstone CR is a prestressed concrete continuous tee beam carrying Old Wmsberg RD over Whetstone CR in Montgomery County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 125 by 2043. The structure is 130 ft (39.6 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld Wmsberg RD
CrossesWhetstone CR
LocationS 7 T 48 N R 6 W
RouteCounty Highway 198
Coordinates38.94489, -91.61883
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic125 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Old Wmsberg RD over Whetstone CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Old Wmsberg RD over Whetstone CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Old Wmsberg RD over Whetstone CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Old Wmsberg RD over Whetstone CR?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns Old Wmsberg RD over Whetstone CR?

It is owned by the County Highway Agency.