US Bridges

Ia 38 over Wapsipinicon Overflow

Fair

Jones County, Iowa · 0.1 Mi. S of Jct. SR E45 · Structure no. 000000000032331

Built
1977
48 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
201 ft
5 main spans
Daily traffic
1,410
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 38 over Wapsipinicon Overflow is a concrete continuous slab carrying Ia 38 over Wapsipinicon Overflow in Jones 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 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 1,410 vehicles a day, roughly 16% of them trucks, projected to reach 1,410 by 2043. The structure is 201 ft (61.3 m) long and 47 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesIa 38
CrossesWapsipinicon Overflow
Location0.1 Mi. S of Jct. SR E45
RouteState Highway 38
StateIowa
Coordinates42.01729, -91.13673
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length201 ft (61.3 m)
Longest span43 ft (13.1 m)
Deck width47 ft (14.4 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,410 (2022)
Projected traffic1,410 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 38 over Wapsipinicon Overflow built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ia 38 over Wapsipinicon Overflow 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 December 2023.

How much traffic does Ia 38 over Wapsipinicon Overflow carry?

About 1,410 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 38 over Wapsipinicon Overflow?

The structure is 201 ft (61.3 m) long with a longest span of 43 ft (13.1 m) and a deck 47 ft wide.

Who owns Ia 38 over Wapsipinicon Overflow?

It is owned by the State Highway Agency.