US Bridges

Rt N E over Whetstone CR

Poor

Wright County, Missouri · S 21 T 29 N R 13 W · Structure no. 1659

Built
1968
57 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
294 ft
4 main spans
Daily traffic
730
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N E over Whetstone CR is a steel continuous stringer/multi-beam or girder carrying Rt N 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 730 vehicles a day, roughly 10% of them trucks, projected to reach 1,132 by 2044. The structure is 294 ft (89.6 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesRt N E
CrossesWhetstone CR
LocationS 21 T 29 N R 13 W
RouteState Highway 0N
Coordinates37.19112, -92.3651
Functional classRural Major Collector

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.
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 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 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 spans4
Design loadH 15
Structure length294 ft (89.6 m)
Longest span82 ft (25 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2024)
Projected traffic1,132 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$1.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt N E over Whetstone CR built?

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

What condition is Rt N 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 2024.

How much traffic does Rt N E over Whetstone CR carry?

About 730 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rt N E over Whetstone CR?

The structure is 294 ft (89.6 m) long with a longest span of 82 ft (25 m) and a deck 29 ft wide.

Who owns Rt N E over Whetstone CR?

It is owned by the State Highway Agency.