Field Entr. over Side Ditch

Fair

Winneshiek County, Iowa · 098072703 · Structure no. 000000000363810

Built: 1995; 30 years old
Condition: Fair; inspected November 2023
Type: Slab; Wood or Timber
Length: 20 ft; 1 main span
Daily traffic: 10; 2022 count
Owner: County; County Highway Agency

About this bridge

Field Entr. over Side Ditch is a wood or timber slab carrying Field Entr. over Side Ditch in Winneshiek County, Iowa. It was built in 1995, so it is 30 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 10 vehicles a day, roughly 6% of them trucks, projected to reach 10 by 2043. The structure is 20 ft (6.1 m) long and 24 ft wide.

Location

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CarriesField Entr.

CrossesSide Ditch

Location098072703

RouteCounty Highway 0

CountyWinneshiek County

StateIowa

Coordinates43.28437, -91.65349

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
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionNovember 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourCountermeasures installed to correct a previously existing problem

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is

Operating rating56 US tons

Inventory rating45 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans1

Design loadH 20

Structure length20 ft (6.1 m)

Longest span20 ft (6.1 m)

Deck width24 ft (7.3 m)

Roadway width24 ft (7.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)

Projected traffic10 by 2043

Trucks6%

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 Field Entr. over Side Ditch built?

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

What condition is Field Entr. over Side 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 November 2023.

How much traffic does Field Entr. over Side Ditch carry?

About 10 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Field Entr. over Side Ditch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 24 ft wide.

Who owns Field Entr. over Side Ditch?

It is owned by the County Highway Agency.