US Bridges

Redman Ave over Black Jack CR

FairPosted for load

St. Louis County, Missouri · S 29 T 47 N R 7 E · Structure no. 15534

Built
1957
68 years old, rebuilt 1996
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
31 ft
1 main span
Daily traffic
4,777
2024 count
Owner
County
County Highway Agency

About this bridge

Redman Ave over Black Jack CR is a prestressed concrete box beam or girders - multiple carrying Redman Ave over Black Jack CR in St. Louis County, Missouri. It was built in 1957 and reconstructed in 1996, so it is 68 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 4,777 vehicles a day, roughly 1% of them trucks, projected to reach 6,449 by 2044. The structure is 31 ft (9.4 m) long and 60 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRedman Ave
CrossesBlack Jack CR
LocationS 29 T 47 N R 7 E
RouteCounty Highway 0
Coordinates38.77868, -90.25938
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length31 ft (9.4 m)
Longest span29 ft (8.8 m)
Deck width60 ft (18.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,777 (2024)
Projected traffic6,449 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Redman Ave over Black Jack CR built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1996.

What condition is Redman Ave over Black Jack 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 Redman Ave over Black Jack CR carry?

About 4,777 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Redman Ave over Black Jack CR?

The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 60 ft wide.

Who owns Redman Ave over Black Jack CR?

It is owned by the County Highway Agency.