US Bridges

Bellgrove DR over Watkins CR

PoorPosted for load

St. Louis County, Missouri · S 34 T 46 N R 7 E · Structure no. 13055

Built
1999
26 years old
Condition
Poor
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
300
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bellgrove DR over Watkins CR is a prestressed concrete box beam or girders - multiple carrying Bellgrove DR over Watkins CR in St. Louis County, Missouri. It was built in 1999, so it is 26 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 405 by 2043. The structure is 41 ft (12.5 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBellgrove DR
CrossesWatkins CR
LocationS 34 T 46 N R 7 E
RouteCity Street 0
Coordinates38.76514, -90.21294
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic405 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$428,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bellgrove DR over Watkins CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Bellgrove DR over Watkins CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does Bellgrove DR over Watkins CR carry?

About 300 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Bellgrove DR over Watkins CR?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns Bellgrove DR over Watkins CR?

It is owned by the City or Municipal Highway Agency.