US Bridges

Rupp Halllow RD over Roadside Ditch

Fair

Dubuque County, Iowa · 00000 · Structure no. 000000000365695

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Rupp Halllow RD over Roadside Ditch is a concrete culvert carrying Rupp Halllow RD over Roadside Ditch in Dubuque County, Iowa. It was built in 1980, so it is 45 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 5 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 49 vehicles a day, projected to reach 49 by 2043. The structure is 21 ft (6.4 m) long.

Location

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CarriesRupp Halllow RD
CrossesRoadside Ditch
Location00000
RouteCounty Highway 0
CountyDubuque County
StateIowa
Coordinates42.55277, -90.70887
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rupp Halllow RD over Roadside Ditch built?

It was built in 1980, making it 45 years old in 2025.

What condition is Rupp Halllow RD over Roadside Ditch 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 June 2023.

How much traffic does Rupp Halllow RD over Roadside Ditch carry?

About 49 vehicles per day (2022 count).

How long is Rupp Halllow RD over Roadside Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Rupp Halllow RD over Roadside Ditch?

It is owned by the County Highway Agency.