US Bridges

Ia 3 over Stream

Fair

Wright County, Iowa · 2.7 Mi. E of E JCT US 69 · Structure no. 000000000054401

Built
1976
49 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
124 ft
3 main spans
Daily traffic
1,620
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Stream is a concrete continuous slab carrying Ia 3 over Stream in Wright County, Iowa. It was built in 1976, so it is 49 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 1,620 vehicles a day, roughly 29% of them trucks, projected to reach 1,620 by 2044. The structure is 124 ft (37.8 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 3
CrossesStream
Location2.7 Mi. E of E JCT US 69
RouteState Highway 3
StateIowa
Coordinates42.74586, -93.56419
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.5 US tons
Inventory rating23.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span47 ft (14.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,620 (2022)
Projected traffic1,620 by 2044
Trucks29%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 3 over Stream built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ia 3 over Stream 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 2024.

How much traffic does Ia 3 over Stream carry?

About 1,620 vehicles per day (2022 count), of which roughly 29% are trucks.

How long is Ia 3 over Stream?

The structure is 124 ft (37.8 m) long with a longest span of 47 ft (14.3 m) and a deck 47 ft wide.

Who owns Ia 3 over Stream?

It is owned by the State Highway Agency.