US Bridges

Ia 60 SB over Stream

Good

Plymouth County, Iowa · 0.7 MI S of SR C12 · Structure no. 000000000609200

Built
2004
21 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete Continuous
Length
33 ft
3 main spans
Daily traffic
3,200
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 60 SB over Stream is a concrete continuous culvert carrying Ia 60 SB over Stream in Plymouth County, Iowa. It was built in 2004, so it is 21 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 3,200 vehicles a day, roughly 22% of them trucks, projected to reach 3,200 by 2042. The structure is 33 ft (10 m) long.

Location

Open in Google Maps
CarriesIa 60 SB
CrossesStream
Location0.7 MI S of SR C12
RouteState Highway 60
CountyPlymouth County
StateIowa
Coordinates42.88683, -96.09598
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2022)
Projected traffic3,200 by 2042
Trucks22%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 60 SB over Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is Ia 60 SB 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 February 2023.

How much traffic does Ia 60 SB over Stream carry?

About 3,200 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Ia 60 SB over Stream?

The structure is 33 ft (10 m) long with a longest span of 10 ft (3 m).

Who owns Ia 60 SB over Stream?

It is owned by the State Highway Agency.