US Bridges

Ia 3 over Wapsipinicon River

Fair

Bremer County, Iowa · 1.6 Miles West of SR V56 · Structure no. 000000000015630

Built
1940
85 years old, rebuilt 1971
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
431 ft
5 main spans
Daily traffic
1,960
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Wapsipinicon River is a steel continuous stringer/multi-beam or girder carrying Ia 3 over Wapsipinicon River in Bremer County, Iowa. It was built in 1940 and reconstructed in 1971, so it is 85 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 1,960 vehicles a day, roughly 14% of them trucks, projected to reach 1,960 by 2044. The structure is 431 ft (131.4 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesIa 3
CrossesWapsipinicon River
Location1.6 Miles West of SR V56
RouteState Highway 3
StateIowa
Coordinates42.71481, -92.17323
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length431 ft (131.4 m)
Longest span94 ft (28.7 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 River built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1971.

What condition is Ia 3 over Wapsipinicon River 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 June 2024.

How much traffic does Ia 3 over Wapsipinicon River carry?

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

How long is Ia 3 over Wapsipinicon River?

The structure is 431 ft (131.4 m) long with a longest span of 94 ft (28.7 m) and a deck 47 ft wide.

Who owns Ia 3 over Wapsipinicon River?

It is owned by the State Highway Agency.