US Bridges

Ia 3 over Wapsipinicon Overflow

Good

Bremer County, Iowa · 1.2 Mi. W of Jct. SR V56 · Structure no. 000000000015641

Built
1990
35 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
138 ft
3 main spans
Daily traffic
1,960
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Wapsipinicon Overflow is a concrete continuous slab carrying Ia 3 over Wapsipinicon Overflow in Bremer County, Iowa. It was built in 1990, so it is 35 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 14% of them trucks, projected to reach 1,960 by 2044. The structure is 138 ft (42.1 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIa 3
CrossesWapsipinicon Overflow
Location1.2 Mi. W of Jct. SR V56
RouteState Highway 3
StateIowa
Coordinates42.7148, -92.16625
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating61 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span50 ft (15.2 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2022)
Projected traffic1,960 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

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 3 over Wapsipinicon Overflow built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ia 3 over Wapsipinicon Overflow 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 June 2024.

How much traffic does Ia 3 over Wapsipinicon Overflow carry?

About 1,960 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Ia 3 over Wapsipinicon Overflow?

The structure is 138 ft (42.1 m) long with a longest span of 50 ft (15.2 m) and a deck 47 ft wide.

Who owns Ia 3 over Wapsipinicon Overflow?

It is owned by the State Highway Agency.