US Bridges

160th ST over Stream

Good

Bremer County, Iowa · 092130101 · Structure no. 000000000079641

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
87 ft
3 main spans
Daily traffic
108
2022 count
Owner
County
County Highway Agency

About this bridge

160th ST over Stream is a concrete continuous slab carrying 160th ST over Stream in Bremer County, Iowa. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 108 vehicles a day, projected to reach 108 by 2044. The structure is 87 ft (26.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries160th ST
CrossesStream
Location092130101
RouteCounty Highway 0
StateIowa
Coordinates42.81841, -92.33409
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating83.3 US tons
Inventory rating50 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic108 (2022)
Projected traffic108 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 160th ST over Stream built?

It was built in 2006, making it 19 years old in 2025.

What condition is 160th ST 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 April 2024.

How much traffic does 160th ST over Stream carry?

About 108 vehicles per day (2022 count).

How long is 160th ST over Stream?

The structure is 87 ft (26.5 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns 160th ST over Stream?

It is owned by the County Highway Agency.