US Bridges

Hopewell RD over Dardenne CR

Good

St. Charles County, Missouri · S 418 T 46 N R 2 E · Structure no. 29133

Built
2002
23 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
3 main spans
Daily traffic
1,426
2024 count
Owner
County
County Highway Agency

About this bridge

Hopewell RD over Dardenne CR is a prestressed concrete stringer/multi-beam or girder carrying Hopewell RD over Dardenne CR in St. Charles County, Missouri. It was built in 2002, so it is 23 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.

It carries about 1,426 vehicles a day, roughly 10% of them trucks, projected to reach 3,137 by 2044. The structure is 92 ft (28 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesHopewell RD
CrossesDardenne CR
LocationS 418 T 46 N R 2 E
RouteCounty Highway 0
Coordinates38.73828, -90.82888
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating98.2 US tons
Inventory rating52.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span50 ft (15.2 m)
Deck width39 ft (11.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,426 (2024)
Projected traffic3,137 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Hopewell RD over Dardenne CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Hopewell RD over Dardenne 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 February 2024.

How much traffic does Hopewell RD over Dardenne CR carry?

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

How long is Hopewell RD over Dardenne CR?

The structure is 92 ft (28 m) long with a longest span of 50 ft (15.2 m) and a deck 39 ft wide.

Who owns Hopewell RD over Dardenne CR?

It is owned by the County Highway Agency.