US Bridges

Rt a E over Richwoods CR

Fair

Washington County, Missouri · S 32 T 40 N R 2 E · Structure no. 6230

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
41 ft
2 main spans
Daily traffic
338
2024 count
Owner
State
State Highway Agency

About this bridge

Rt a E over Richwoods CR is a concrete continuous culvert carrying Rt a E over Richwoods CR in Washington County, Missouri. It was built in 1949, so it is 76 years old, older 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 5 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 338 vehicles a day, roughly 11% of them trucks, projected to reach 473 by 2044. The structure is 41 ft (12.6 m) long and 30 ft wide. If it were closed, the detour would be 44.7 mi (72 km).

CarriesRt a E
CrossesRichwoods CR
LocationS 32 T 40 N R 2 E
RouteState Highway 0A
Coordinates38.15728, -90.83674
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating29.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length41 ft (12.6 m)
Longest span10 ft (3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2024)
Projected traffic473 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.7 mi (72 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt a E over Richwoods CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is Rt a E over Richwoods CR 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 June 2024.

How much traffic does Rt a E over Richwoods CR carry?

About 338 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt a E over Richwoods CR?

The structure is 41 ft (12.6 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Rt a E over Richwoods CR?

It is owned by the State Highway Agency.