US Bridges

Mo 38 E over Whetstone CR

Poor

Wright County, Missouri · S 20 T 30 N R 13 W · Structure no. 2033

Built
1968
57 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
227 ft
3 main spans
Daily traffic
317
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 38 E over Whetstone CR is a steel continuous stringer/multi-beam or girder carrying Mo 38 E over Whetstone CR in Wright County, Missouri. It was built in 1968, so it is 57 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 317 vehicles a day, roughly 18% of them trucks, projected to reach 539 by 2044. The structure is 227 ft (69.2 m) long and 31 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesMo 38 E
CrossesWhetstone CR
LocationS 20 T 30 N R 13 W
RouteState Highway 38
Coordinates37.29837, -92.39681
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length227 ft (69.2 m)
Longest span88 ft (26.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic317 (2024)
Projected traffic539 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 38 E over Whetstone CR built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mo 38 E over Whetstone CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Mo 38 E over Whetstone CR carry?

About 317 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Mo 38 E over Whetstone CR?

The structure is 227 ft (69.2 m) long with a longest span of 88 ft (26.8 m) and a deck 31 ft wide.

Who owns Mo 38 E over Whetstone CR?

It is owned by the State Highway Agency.