US Bridges

Blackberry Ave over Br of Rvr Des Pere

Fair

St. Louis County, Missouri · S 3 T 45 N R 6 E · Structure no. 33292

Built
1960
65 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
24 ft
2 main spans
Daily traffic
450
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Blackberry Ave over Br of Rvr Des Pere is a concrete continuous culvert carrying Blackberry Ave over Br of Rvr Des Pere in St. Louis County, Missouri. It was built in 1960, so it is 65 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 450 vehicles a day, roughly 1% of them trucks, projected to reach 608 by 2043. The structure is 24 ft (7.3 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesBlackberry Ave
CrossesBr of Rvr Des Pere
LocationS 3 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.66396, -90.33568
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 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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: 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 Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.7 m)
Deck width45 ft (13.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic608 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Blackberry Ave over Br of Rvr Des Pere built?

It was built in 1960, making it 65 years old in 2025.

What condition is Blackberry Ave over Br of Rvr Des Pere 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 December 2023.

How much traffic does Blackberry Ave over Br of Rvr Des Pere carry?

About 450 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Blackberry Ave over Br of Rvr Des Pere?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m) and a deck 45 ft wide.

Who owns Blackberry Ave over Br of Rvr Des Pere?

It is owned by the City or Municipal Highway Agency.