US Bridges

Ia 3 over US 63

Good

Bremer County, Iowa · Iowa 3 over US 63 · Structure no. 000000000608085

Built
2011
14 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
3,490
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over US 63 is a prestressed concrete stringer/multi-beam or girder carrying Ia 3 over US 63 in Bremer County, Iowa. It was built in 2011, so it is 14 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 3,490 vehicles a day, roughly 8% of them trucks, projected to reach 3,490 by 2042. The structure is 229 ft (69.9 m) long and 62 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 3
CrossesUS 63
LocationIowa 3 over US 63
RouteState Highway 3
StateIowa
Coordinates42.71452, -92.33768
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length229 ft (69.9 m)
Longest span110 ft (33.5 m)
Deck width62 ft (19 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,490 (2022)
Projected traffic3,490 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 3 over US 63 built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ia 3 over US 63 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 November 2023.

How much traffic does Ia 3 over US 63 carry?

About 3,490 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 3 over US 63?

The structure is 229 ft (69.9 m) long with a longest span of 110 ft (33.5 m) and a deck 62 ft wide.

Who owns Ia 3 over US 63?

It is owned by the State Highway Agency.