US Bridges

Wyndgate Valley DR over Trib Dardenne CR

Fair

St. Charles County, Missouri · S 16 T 46 N R 2 E · Structure no. 37164

Built
2005
20 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
1,426
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wyndgate Valley DR over Trib Dardenne CR is a steel culvert carrying Wyndgate Valley DR over Trib Dardenne CR in St. Charles 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,426 vehicles a day, roughly 10% of them trucks, projected to reach 3,137 by 2044. The structure is 30 ft (9.1 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWyndgate Valley DR
CrossesTrib Dardenne CR
LocationS 16 T 46 N R 2 E
RouteCity Street 321
CountySt. Charles County
StateMissouri
Coordinates38.74629, -90.80973
Functional classRural 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,426 (2024)
Projected traffic3,137 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Wyndgate Valley DR over Trib Dardenne CR built?

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

What condition is Wyndgate Valley DR over Trib Dardenne 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 February 2024.

How much traffic does Wyndgate Valley DR over Trib Dardenne CR carry?

About 1,426 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Wyndgate Valley DR over Trib Dardenne CR?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns Wyndgate Valley DR over Trib Dardenne CR?

It is owned by the City or Municipal Highway Agency.