US Bridges

Enchanted Pkwy over Grand Glaize CR

FairPosted for load

St. Louis County, Missouri · S 31 T 45 N R 5 E · Structure no. 20509

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete Continuous
Length
65 ft
4 main spans
Daily traffic
4,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Enchanted Pkwy over Grand Glaize CR is a concrete continuous culvert carrying Enchanted Pkwy over Grand Glaize CR in St. Louis County, Missouri. It was built in 1960, so it is 65 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 5 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 4,000 vehicles a day, roughly 1% of them trucks, projected to reach 5,400 by 2043. The structure is 65 ft (19.8 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesEnchanted Pkwy
CrossesGrand Glaize CR
LocationS 31 T 45 N R 5 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.59108, -90.50193
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadOther
Structure length65 ft (19.8 m)
Longest span17 ft (5.2 m)
Deck width54 ft (16.4 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2023)
Projected traffic5,400 by 2043
Trucks1%
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 Enchanted Pkwy over Grand Glaize CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Enchanted Pkwy 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 Enchanted Pkwy over Grand Glaize CR carry?

About 4,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Enchanted Pkwy over Grand Glaize CR?

The structure is 65 ft (19.8 m) long with a longest span of 17 ft (5.2 m) and a deck 54 ft wide.

Who owns Enchanted Pkwy over Grand Glaize CR?

It is owned by the City or Municipal Highway Agency.