US Bridges

Riverview DR over Watkins CR

FairPosted for load

St. Louis County, Missouri · S 36 T 47 N R 7 E · Structure no. 15532

Built
1947
78 years old, rebuilt 1980
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
3,955
2024 count
Owner
County
County Highway Agency

About this bridge

Riverview DR over Watkins CR is a prestressed concrete box beam or girders - multiple carrying Riverview DR over Watkins CR in St. Louis County, Missouri. It was built in 1947 and reconstructed in 1980, so it is 78 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. Its operating status is: posted for load restriction.

It carries about 3,955 vehicles a day, roughly 3% of them trucks, projected to reach 5,339 by 2044. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRiverview DR
CrossesWatkins CR
LocationS 36 T 47 N R 7 E
RouteCounty Highway 0
Coordinates38.77497, -90.18211
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.4 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,955 (2024)
Projected traffic5,339 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$351,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverview DR over Watkins CR built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1980.

What condition is Riverview DR over Watkins 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 Riverview DR over Watkins CR carry?

About 3,955 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Riverview DR over Watkins CR?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Riverview DR over Watkins CR?

It is owned by the County Highway Agency.