US Bridges

Ia 140 over Drainage

Fair

Plymouth County, Iowa · 1.4 S of S.R. C38 · Structure no. 000000000272115

Built
1963
62 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete Continuous
Length
22 ft
3 main spans
Daily traffic
970
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 140 over Drainage is a concrete continuous culvert carrying Ia 140 over Drainage in Plymouth County, Iowa. It was built in 1963, so it is 62 years old, older 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 6 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 970 vehicles a day, roughly 19% of them trucks, projected to reach 970 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesIa 140
CrossesDrainage
Location1.4 S of S.R. C38
RouteState Highway 140
CountyPlymouth County
StateIowa
Coordinates42.72934, -95.95885
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2022)
Projected traffic970 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 140 over Drainage built?

It was built in 1963, making it 62 years old in 2025.

What condition is Ia 140 over Drainage 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 January 2023.

How much traffic does Ia 140 over Drainage carry?

About 970 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Ia 140 over Drainage?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Ia 140 over Drainage?

It is owned by the State Highway Agency.