US Bridges

242nd Trail over Drainage Ditch

Poor

Harrison County, Iowa · 079431605 · Structure no. 000000000178161

Built
2013
12 years old
Condition
Poor
inspected December 2022
Type
Stringer/Multi-beam or Girder
Concrete
Length
25 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

242nd Trail over Drainage Ditch is a concrete stringer/multi-beam or girder carrying 242nd Trail over Drainage Ditch in Harrison County, Iowa. It was built in 2013, so it is 12 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 34 vehicles a day, projected to reach 34 by 2043. The structure is 25 ft (7.5 m) long and 20 ft wide.

Location

Open in Google Maps
Carries242nd Trail
CrossesDrainage Ditch
Location079431605
RouteCounty Highway 0
CountyHarrison County
StateIowa
Coordinates41.65729, -95.84772
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.9 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckOther
Main spans1
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span24 ft (7.2 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 242nd Trail over Drainage Ditch built?

It was built in 2013, making it 12 years old in 2025.

What condition is 242nd Trail over Drainage Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2022.

How much traffic does 242nd Trail over Drainage Ditch carry?

About 34 vehicles per day (2022 count).

How long is 242nd Trail over Drainage Ditch?

The structure is 25 ft (7.5 m) long with a longest span of 24 ft (7.2 m) and a deck 20 ft wide.

Who owns 242nd Trail over Drainage Ditch?

It is owned by the County Highway Agency.