US Bridges

Eagles Hill Ridg over Duckett CR

Fair

St. Charles County, Missouri · S 22 T 46 N R 4 E · Structure no. 30679

Built
1995
30 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,716
2024 count
Owner
County
County Highway Agency

About this bridge

Eagles Hill Ridg over Duckett CR is a concrete continuous culvert carrying Eagles Hill Ridg over Duckett CR in St. Charles County, Missouri. It was built in 1995, so it is 30 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 1,716 vehicles a day, roughly 1% of them trucks, projected to reach 2,660 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesEagles Hill Ridg
CrossesDuckett CR
LocationS 22 T 46 N R 4 E
RouteCounty Highway 0
CountySt. Charles County
StateMissouri
Coordinates38.73613, -90.56637
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
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
Waterway adequacy8: Equal 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
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 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 traffic1,716 (2024)
Projected traffic2,660 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Eagles Hill Ridg over Duckett CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is Eagles Hill Ridg over Duckett 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 Eagles Hill Ridg over Duckett CR carry?

About 1,716 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Eagles Hill Ridg over Duckett CR?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Eagles Hill Ridg over Duckett CR?

It is owned by the County Highway Agency.