US Bridges

John Deere RD W over Small Natural Stream

Fair

Dubuque County, Iowa · 090E23403 · Structure no. 000000000024231

Built
2001
24 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
890
2021 count
Owner
County
County Highway Agency

About this bridge

John Deere RD W over Small Natural Stream is a concrete continuous culvert carrying John Deere RD W over Small Natural Stream in Dubuque County, Iowa. It was built in 2001, so it is 24 years old, younger than the Iowa average of 45.5 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 890 vehicles a day, roughly 14% of them trucks, projected to reach 890 by 2043. The structure is 27 ft (8.2 m) long.

Location

Open in Google Maps
CarriesJohn Deere RD W
CrossesSmall Natural Stream
Location090E23403
RouteCounty Highway 0
CountyDubuque County
StateIowa
Coordinates42.55928, -90.70836
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 inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 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 traffic890 (2021)
Projected traffic890 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 John Deere RD W over Small Natural Stream built?

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

What condition is John Deere RD W over Small Natural Stream 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 April 2023.

How much traffic does John Deere RD W over Small Natural Stream carry?

About 890 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is John Deere RD W over Small Natural Stream?

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

Who owns John Deere RD W over Small Natural Stream?

It is owned by the County Highway Agency.