US Bridges

Green Valley DR over Dellwood CR

FairPosted for load

St. Louis County, Missouri · S 6 T 46 N R 7 E · Structure no. 15527

Built
1950
75 years old, rebuilt 2012
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
24 ft
1 main span
Daily traffic
2,831
2024 count
Owner
County
County Highway Agency

About this bridge

Green Valley DR over Dellwood CR is a prestressed concrete box beam or girders - single or spread carrying Green Valley DR over Dellwood CR in St. Louis County, Missouri. It was built in 1950 and reconstructed in 2012, so it is 75 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 2,831 vehicles a day, roughly 5% of them trucks, projected to reach 3,822 by 2044. The structure is 24 ft (7.4 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGreen Valley DR
CrossesDellwood CR
LocationS 6 T 46 N R 7 E
RouteCounty Highway 0
Coordinates38.75222, -90.26306
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating55.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length24 ft (7.4 m)
Longest span23 ft (7.1 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,831 (2024)
Projected traffic3,822 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Green Valley DR over Dellwood CR built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2012.

What condition is Green Valley DR over Dellwood 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 February 2024.

How much traffic does Green Valley DR over Dellwood CR carry?

About 2,831 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Green Valley DR over Dellwood CR?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (7.1 m) and a deck 24 ft wide.

Who owns Green Valley DR over Dellwood CR?

It is owned by the County Highway Agency.