US Bridges

Howard George RD over Grand Glaize CR

FairPosted for load

St. Louis County, Missouri · S 6 T 44 N R 5 E · Structure no. 20508

Built
1977
48 years old, rebuilt 2019
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
72 ft
1 main span
Daily traffic
3,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Howard George RD over Grand Glaize CR is a steel stringer/multi-beam or girder carrying Howard George RD over Grand Glaize CR in St. Louis County, Missouri. It was built in 1977 and reconstructed in 2019, so it is 48 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 3,000 vehicles a day, roughly 15% of them trucks, projected to reach 4,050 by 2043. The structure is 72 ft (21.9 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHoward George RD
CrossesGrand Glaize CR
LocationS 6 T 44 N R 5 E
RouteCity Street 0
Coordinates38.58934, -90.50688
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating49.6 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length72 ft (21.9 m)
Longest span69 ft (21 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic4,050 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Howard George RD over Grand Glaize CR built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2019.

What condition is Howard George 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 January 2024.

How much traffic does Howard George RD over Grand Glaize CR carry?

About 3,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Howard George RD over Grand Glaize CR?

The structure is 72 ft (21.9 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns Howard George RD over Grand Glaize CR?

It is owned by the City or Municipal Highway Agency.