US Bridges

Ia 9 over Stream

Good

Worth County, Iowa · 4.9 Mi. E of Jct. US 65 · Structure no. 000000000054091

Built
1975
50 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
73 ft
3 main spans
Daily traffic
2,160
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 9 over Stream is a concrete continuous slab carrying Ia 9 over Stream in Worth County, Iowa. It was built in 1975, so it is 50 years old, older 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 2,160 vehicles a day, roughly 12% of them trucks, projected to reach 2,160 by 2044. The structure is 73 ft (22.3 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesIa 9
CrossesStream
Location4.9 Mi. E of Jct. US 65
RouteState Highway 9
CountyWorth County
StateIowa
Coordinates43.28419, -93.1143
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.3 US tons
Inventory rating39.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span28 ft (8.5 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,160 (2022)
Projected traffic2,160 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

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 9 over Stream built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ia 9 over Stream 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 August 2024.

How much traffic does Ia 9 over Stream carry?

About 2,160 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 9 over Stream?

The structure is 73 ft (22.3 m) long with a longest span of 28 ft (8.5 m) and a deck 47 ft wide.

Who owns Ia 9 over Stream?

It is owned by the State Highway Agency.