US Bridges

NE 336th ST over Br of Brushy CR

Poor

Clinton County, Missouri · S 35 T 57 N R 30 W · Structure no. 28255

Built
1997
28 years old
Condition
Poor
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

NE 336th ST over Br of Brushy CR is a concrete culvert carrying NE 336th ST over Br of Brushy CR in Clinton County, Missouri. It was built in 1997, so it is 28 years old, younger 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 10 vehicles a day, roughly 10% of them trucks, projected to reach 12 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNE 336th ST
CrossesBr of Brushy CR
LocationS 35 T 57 N R 30 W
RouteCounty Highway 74
CountyClinton County
StateMissouri
Coordinates39.70268, -94.2318
Functional classRural Local

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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating41.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic12 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NE 336th ST over Br of Brushy CR built?

It was built in 1997, making it 28 years old in 2025.

What condition is NE 336th ST over Br of Brushy 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 December 2024.

How much traffic does NE 336th ST over Br of Brushy CR carry?

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

How long is NE 336th ST over Br of Brushy CR?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns NE 336th ST over Br of Brushy CR?

It is owned by the County Highway Agency.