US Bridges

Ia 141 over Drainage Ditch

Good

Crawford County, Iowa · 1 Mi. W of W JCT SR L51 · Structure no. 000000000021611

Built
1977
48 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
1,520
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 141 over Drainage Ditch is a concrete continuous culvert carrying Ia 141 over Drainage Ditch in Crawford County, Iowa. It was built in 1977, so it is 48 years old, older 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 1,520 vehicles a day, roughly 19% of them trucks, projected to reach 1,520 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesIa 141
CrossesDrainage Ditch
Location1 Mi. W of W JCT SR L51
RouteState Highway 141
StateIowa
Coordinates42.0653, -95.61447
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,520 (2023)
Projected traffic1,520 by 2043
Trucks19%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 141 over Drainage Ditch built?

It was built in 1977, making it 48 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 January 2023.

How much traffic does Ia 141 over Drainage Ditch carry?

About 1,520 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Ia 141 over Drainage Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Ia 141 over Drainage Ditch?

It is owned by the State Highway Agency.