US Bridges

Weidman RD over Grand Glaize CR

GoodPosted for load

St. Louis County, Missouri · S 31 T 45 N R 5 E · Structure no. 29103

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
106 ft
1 main span
Daily traffic
4,626
2024 count
Owner
County
County Highway Agency

About this bridge

Weidman RD over Grand Glaize CR is a steel stringer/multi-beam or girder carrying Weidman RD over Grand Glaize CR in St. Louis County, Missouri. It was built in 2001, so it is 24 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 4,626 vehicles a day, roughly 2% of them trucks, projected to reach 6,245 by 2044. The structure is 106 ft (32.3 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWeidman RD
CrossesGrand Glaize CR
LocationS 31 T 45 N R 5 E
RouteCounty Highway 0
Coordinates38.61796, -90.49823
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating82.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length106 ft (32.3 m)
Longest span102 ft (31.1 m)
Deck width66 ft (20.2 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,626 (2024)
Projected traffic6,245 by 2044
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Weidman RD over Grand Glaize CR built?

It was built in 2001, making it 24 years old in 2025.

What condition is Weidman RD over Grand Glaize CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Weidman RD over Grand Glaize CR carry?

About 4,626 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Weidman RD over Grand Glaize CR?

The structure is 106 ft (32.3 m) long with a longest span of 102 ft (31.1 m) and a deck 66 ft wide.

Who owns Weidman RD over Grand Glaize CR?

It is owned by the County Highway Agency.