US Bridges

Dougherty Ferry RD over Grand Glaize CR

FairPosted for load

St. Louis County, Missouri · S 4 T 44 N R 5 E · Structure no. 15626

Built
1993
32 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
171 ft
2 main spans
Daily traffic
26,967
2024 count
Owner
County
County Highway Agency

About this bridge

Dougherty Ferry RD over Grand Glaize CR is a prestressed concrete continuous stringer/multi-beam or girder carrying Dougherty Ferry RD over Grand Glaize CR in St. Louis County, Missouri. It was built in 1993, so it is 32 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. Its operating status is: posted for load restriction.

It carries about 26,967 vehicles a day, roughly 10% of them trucks, projected to reach 36,405 by 2044. The structure is 171 ft (52.1 m) long and 83 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesDougherty Ferry RD
CrossesGrand Glaize CR
LocationS 4 T 44 N R 5 E
RouteCounty Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.57831, -90.46631
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating72.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span84 ft (25.6 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,967 (2024)
Projected traffic36,405 by 2044
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Dougherty Ferry RD over Grand Glaize CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Dougherty Ferry RD over Grand Glaize 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 April 2024.

How much traffic does Dougherty Ferry RD over Grand Glaize CR carry?

About 26,967 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Dougherty Ferry RD over Grand Glaize CR?

The structure is 171 ft (52.1 m) long with a longest span of 84 ft (25.6 m) and a deck 83 ft wide.

Who owns Dougherty Ferry RD over Grand Glaize CR?

It is owned by the County Highway Agency.