US Bridges

Ia 9 over Stream

Fair

Worth County, Iowa · 1.3 Mi. E of Jct. US 65 · Structure no. 000000000054070

Built
1921
104 years old, rebuilt 1964
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,360
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over Stream is a prestressed concrete stringer/multi-beam or girder carrying Ia 9 over Stream in Worth County, Iowa. It was built in 1921 and reconstructed in 1964, so it is 104 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 2,360 vehicles a day, roughly 11% of them trucks, projected to reach 2,360 by 2044. The structure is 43 ft (13.1 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesIa 9
CrossesStream
Location1.3 Mi. E of Jct. US 65
RouteState Highway 9
CountyWorth County
StateIowa
Coordinates43.28411, -93.18619
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating21.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,360 (2022)
Projected traffic2,360 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 9 over Stream built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1964.

What condition is Ia 9 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 April 2024.

How much traffic does Ia 9 over Stream carry?

About 2,360 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Ia 9 over Stream?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns Ia 9 over Stream?

It is owned by the State Highway Agency.