US Bridges

Rt N E over Br Dardenne CR

Fair

St. Charles County, Missouri · S 67 T 46 N R 3 E · Structure no. 4109

Built
1993
32 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
10,603
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N E over Br Dardenne CR is a concrete culvert carrying Rt N E over Br Dardenne CR in St. Charles County, Missouri. It was built in 1993, so it is 32 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 10,603 vehicles a day, roughly 4% of them trucks, projected to reach 19,085 by 2044. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRt N E
CrossesBr Dardenne CR
LocationS 67 T 46 N R 3 E
RouteState Highway 0N
CountySt. Charles County
StateMissouri
Coordinates38.75444, -90.69401
Functional classUrban Minor Arterial

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.8 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,603 (2024)
Projected traffic19,085 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Rt N E over Br Dardenne CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Rt N E over Br 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 November 2023.

How much traffic does Rt N E over Br Dardenne CR carry?

About 10,603 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rt N E over Br Dardenne CR?

The structure is 39 ft (11.8 m) long with a longest span of 12 ft (3.7 m).

Who owns Rt N E over Br Dardenne CR?

It is owned by the State Highway Agency.