US Bridges

160th ST over South Fork Beaver Creek

Good

Grundy County, Iowa · 088170601 · Structure no. 000000000164991

Built
2022
3 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
44
2022 count
Owner
County
County Highway Agency

About this bridge

160th ST over South Fork Beaver Creek is a concrete continuous slab carrying 160th ST over South Fork Beaver Creek in Grundy County, Iowa. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 44 vehicles a day, projected to reach 44 by 2043. The structure is 151 ft (46 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries160th ST
CrossesSouth Fork Beaver Creek
Location088170601
RouteCounty Highway 0
CountyGrundy County
StateIowa
Coordinates42.47044, -92.87204
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44 (2022)
Projected traffic44 by 2043
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 South Fork Beaver Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is 160th ST over South Fork Beaver Creek 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 2023.

How much traffic does 160th ST over South Fork Beaver Creek carry?

About 44 vehicles per day (2022 count).

How long is 160th ST over South Fork Beaver Creek?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 33 ft wide.

Who owns 160th ST over South Fork Beaver Creek?

It is owned by the County Highway Agency.