US Bridges

Woodside DR over Uknown CR

Fair

Jefferson County, Missouri · S 36 T 43 N R 5 E · Structure no. 36113

Built
2006
19 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
80
2023 count
Owner
County
County Highway Agency

About this bridge

Woodside DR over Uknown CR is a concrete culvert carrying Woodside DR over Uknown CR in Jefferson County, Missouri. It was built in 2006, so it is 19 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 80 vehicles a day, roughly 1% of them trucks, projected to reach 136 by 2043. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWoodside DR
CrossesUknown CR
LocationS 36 T 43 N R 5 E
RouteCounty Highway 817
Coordinates38.4242, -90.4187
Functional classUrban 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 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length27 ft (8.1 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 traffic80 (2023)
Projected traffic136 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Woodside DR over Uknown CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Woodside DR over Uknown 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 January 2025.

How much traffic does Woodside DR over Uknown CR carry?

About 80 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Woodside DR over Uknown CR?

The structure is 27 ft (8.1 m) long with a longest span of 12 ft (3.7 m).

Who owns Woodside DR over Uknown CR?

It is owned by the County Highway Agency.