US Bridges

County RD 333 over Trib of Spring Rvr

Fair

Oregon County, Missouri · S 11 T 23 N R 6 W · Structure no. 18422

Built
1994
31 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel Continuous
Length
24 ft
5 main spans
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 333 over Trib of Spring Rvr is a steel continuous culvert carrying County RD 333 over Trib of Spring Rvr in Oregon County, Missouri. It was built in 1994, so it is 31 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35 vehicles a day, roughly 20% of them trucks, projected to reach 42 by 2044. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 333
CrossesTrib of Spring Rvr
LocationS 11 T 23 N R 6 W
RouteCounty Highway 185
Coordinates36.6659, -91.5949
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.6 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialSteel Continuous
DeckNot applicable
Main spans5
Design loadOther
Structure length24 ft (7.3 m)
Longest span4 ft (1.2 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic42 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County RD 333 over Trib of Spring Rvr built?

It was built in 1994, making it 31 years old in 2025.

What condition is County RD 333 over Trib of Spring Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does County RD 333 over Trib of Spring Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is County RD 333 over Trib of Spring Rvr?

The structure is 24 ft (7.3 m) long with a longest span of 4 ft (1.2 m) and a deck 25 ft wide.

Who owns County RD 333 over Trib of Spring Rvr?

It is owned by the County Highway Agency.