US Bridges

Ia 141 over Drainage Ditch

Good

Woodbury County, Iowa · 2.2 Mi. W of SR K64 · Structure no. 000000000053241

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
124 ft
3 main spans
Daily traffic
1,960
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 141 over Drainage Ditch is a steel continuous stringer/multi-beam or girder carrying Ia 141 over Drainage Ditch in Woodbury County, Iowa. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,960 vehicles a day, roughly 13% of them trucks, projected to reach 1,960 by 2043. The structure is 124 ft (37.9 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesIa 141
CrossesDrainage Ditch
Location2.2 Mi. W of SR K64
RouteState Highway 141
CountyWoodbury County
StateIowa
Coordinates42.22816, -96.14082
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating72.3 US tons
Inventory rating43.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.9 m)
Longest span47 ft (14.3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2023)
Projected traffic1,960 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ia 141 over Drainage Ditch built?

It was built in 2010, making it 15 years old in 2025.

What condition is Ia 141 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 October 2023.

How much traffic does Ia 141 over Drainage Ditch carry?

About 1,960 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Ia 141 over Drainage Ditch?

The structure is 124 ft (37.9 m) long with a longest span of 47 ft (14.3 m) and a deck 32 ft wide.

Who owns Ia 141 over Drainage Ditch?

It is owned by the State Highway Agency.