US Bridges

Ia 3 over Stream

Fair

Buena Vista County, Iowa · 1.2 Mi. W of Jct. US 71 · Structure no. 000000000016210

Built
1957
68 years old
Condition
Fair
inspected December 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
1,470
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 Buena Vista County, Iowa. It was built in 1957, so it is 68 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 5 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 1,470 vehicles a day, roughly 42% of them trucks, projected to reach 1,470 by 2043. The structure is 102 ft (31.1 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIa 3
CrossesStream
Location1.2 Mi. W of Jct. US 71
RouteState Highway 3
CountyBuena Vista County
StateIowa
Coordinates42.74879, -95.17584
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 23 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating30.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.1 m)
Longest span38 ft (11.6 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2022)
Projected traffic1,470 by 2043
Trucks42%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1957, making it 68 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 December 2023.

How much traffic does Ia 3 over Stream carry?

About 1,470 vehicles per day (2022 count), of which roughly 42% are trucks.

How long is Ia 3 over Stream?

The structure is 102 ft (31.1 m) long with a longest span of 38 ft (11.6 m) and a deck 34 ft wide.

Who owns Ia 3 over Stream?

It is owned by the State Highway Agency.