US Bridges

County RD E-330 over Br of Brush CR

PoorPosted for load

Polk County, Missouri · S 22 T 35 N R 24 W · Structure no. 12825

Built
1900
125 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
2 main spans
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

County RD E-330 over Br of Brush CR is a steel stringer/multi-beam or girder carrying County RD E-330 over Br of Brush CR in Polk County, Missouri. It was built in 1900, so it is 125 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 3 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. Its operating status is: posted for load restriction.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2044. The structure is 24 ft (7.3 m) long and 21 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD E-330
CrossesBr of Brush CR
LocationS 22 T 35 N R 24 W
RouteCounty Highway 21
Coordinates37.78402, -93.56104
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating6.9 US tons
Inventory rating1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic65 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$255,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD E-330 over Br of Brush CR built?

It was built in 1900, making it 125 years old in 2025.

What condition is County RD E-330 over Br of Brush 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 April 2024.

How much traffic does County RD E-330 over Br of Brush CR carry?

About 45 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD E-330 over Br of Brush CR?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 21 ft wide.

Who owns County RD E-330 over Br of Brush CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.