US Bridges

342nd ST over Drainage Ditch

Good

Worth County, Iowa · East of Fir Ave. · Structure no. 000000000355851

Built
2021
4 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
35
2022 count
Owner
County
County Highway Agency

About this bridge

342nd ST over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying 342nd ST over Drainage Ditch in Worth County, Iowa. It was built in 2021, so it is 4 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 35 by 2043. The structure is 60 ft (18.3 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries342nd ST
CrossesDrainage Ditch
LocationEast of Fir Ave.
RouteCounty Highway 0
CountyWorth County
StateIowa
Coordinates43.25883, -93.37858
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2022)
Projected traffic35 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 342nd ST over Drainage Ditch built?

It was built in 2021, making it 4 years old in 2025.

What condition is 342nd ST over Drainage Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does 342nd ST over Drainage Ditch carry?

About 35 vehicles per day (2022 count).

How long is 342nd ST over Drainage Ditch?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 25 ft wide.

Who owns 342nd ST over Drainage Ditch?

It is owned by the County Highway Agency.