US Bridges

Washington ST over Cold Water CR

FairPosted for load

St. Louis County, Missouri · S 28 T 47 N R 6 E · Structure no. 15556

Built
1930
95 years old, rebuilt 1988
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
17,556
2024 count
Owner
County
County Highway Agency

About this bridge

Washington ST over Cold Water CR is a prestressed concrete stringer/multi-beam or girder carrying Washington ST over Cold Water CR in St. Louis County, Missouri. It was built in 1930 and reconstructed in 1988, so it is 95 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 17,556 vehicles a day, roughly 10% of them trucks, projected to reach 23,701 by 2044. The structure is 95 ft (29 m) long and 77 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWashington ST
CrossesCold Water CR
LocationS 28 T 47 N R 6 E
RouteCounty Highway 0
Coordinates38.79557, -90.33691
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.2 US tons
Inventory rating57.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length95 ft (29 m)
Longest span90 ft (27.4 m)
Deck width77 ft (23.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,556 (2024)
Projected traffic23,701 by 2044
Trucks10%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington ST over Cold Water CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1988.

What condition is Washington ST over Cold Water 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 Washington ST over Cold Water CR carry?

About 17,556 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Washington ST over Cold Water CR?

The structure is 95 ft (29 m) long with a longest span of 90 ft (27.4 m) and a deck 77 ft wide.

Who owns Washington ST over Cold Water CR?

It is owned by the County Highway Agency.