182 Ave over Drainage Ditch

Fair

Jackson County, Iowa · 084E21204 · Structure no. 000000000363855

Built: 1997; 28 years old
Condition: Fair; inspected March 2023
Type: Culvert; Concrete Continuous
Length: 25 ft; 2 main spans
Daily traffic: 550; 2021 count
Owner: County; County Highway Agency

About this bridge

182 Ave over Drainage Ditch is a concrete continuous culvert carrying 182 Ave over Drainage Ditch in Jackson County, Iowa. It was built in 1997, so it is 28 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 550 vehicles a day, roughly 20% of them trucks, projected to reach 550 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries182 Ave

CrossesDrainage Ditch

Location084E21204

RouteCounty Highway 0

CountyJackson County

StateIowa

Coordinates42.0999, -90.68483

Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionMarch 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 adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating30.3 US tons

Inventory rating23.6 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadH 20

Structure length25 ft (7.6 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 traffic550 (2021)

Projected traffic550 by 2043

Trucks20%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed1.2 mi (2 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 182 Ave over Drainage Ditch built?

It was built in 1997, making it 28 years old in 2025.

What condition is 182 Ave over Drainage 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 March 2023.

How much traffic does 182 Ave over Drainage Ditch carry?

About 550 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is 182 Ave over Drainage Ditch?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns 182 Ave over Drainage Ditch?

It is owned by the County Highway Agency.