US Bridges

W Watson RD over Gravois Creek Br

Fair

St. Louis County, Missouri · S 23 T 44 N R 5 E · Structure no. 23607

Built
1994
31 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
2,529
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Watson RD over Gravois Creek Br is a concrete continuous culvert carrying W Watson RD over Gravois Creek Br in St. Louis County, Missouri. It was built in 1994, so it is 31 years old, younger 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.

It carries about 2,529 vehicles a day, roughly 1% of them trucks, projected to reach 3,414 by 2043. The structure is 33 ft (10.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesW Watson RD
CrossesGravois Creek Br
LocationS 23 T 44 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.52762, -90.42369
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span13 ft (4 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,529 (2023)
Projected traffic3,414 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was W Watson RD over Gravois Creek Br built?

It was built in 1994, making it 31 years old in 2025.

What condition is W Watson RD over Gravois Creek Br 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 November 2023.

How much traffic does W Watson RD over Gravois Creek Br carry?

About 2,529 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is W Watson RD over Gravois Creek Br?

The structure is 33 ft (10.1 m) long with a longest span of 13 ft (4 m) and a deck 33 ft wide.

Who owns W Watson RD over Gravois Creek Br?

It is owned by the City or Municipal Highway Agency.