US Bridges

N W Entry DR over Grand Glaize CR

FairPosted for load

St. Louis County, Missouri · S 36 T 45 N R 4 E · Structure no. 31359

Built
2005
20 years old
Condition
Fair
inspected January 2024
Type
Slab
Prestressed Concrete Continuous
Length
62 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

N W Entry DR over Grand Glaize CR is a prestressed concrete continuous slab carrying N W Entry DR over Grand Glaize CR in St. Louis County, Missouri. It was built in 2005, so it is 20 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 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,700 by 2043. The structure is 62 ft (19 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesN W Entry DR
CrossesGrand Glaize CR
LocationS 36 T 45 N R 4 E
RouteCity Street 263
CountySt. Louis County
StateMissouri
Coordinates38.59496, -90.52242
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length62 ft (19 m)
Longest span21 ft (6.4 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic2,700 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$763,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was N W Entry DR over Grand Glaize CR built?

It was built in 2005, making it 20 years old in 2025.

What condition is N W Entry DR 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 N W Entry DR over Grand Glaize CR carry?

About 2,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is N W Entry DR over Grand Glaize CR?

The structure is 62 ft (19 m) long with a longest span of 21 ft (6.4 m) and a deck 53 ft wide.

Who owns N W Entry DR over Grand Glaize CR?

It is owned by the City or Municipal Highway Agency.