US Bridges

1250 160th ST over West Iowa River

Fair

Hancock County, Iowa · 094240601 · Structure no. 000000000172651

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
152 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

1250 160th ST over West Iowa River is a concrete continuous slab carrying 1250 160th ST over West Iowa River in Hancock County, Iowa. It was built in 1977, so it is 48 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 6 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 152 ft (46.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries1250 160th ST
CrossesWest Iowa River
Location094240601
RouteCounty Highway 0
StateIowa
Coordinates42.99522, -93.72394
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating10.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length152 ft (46.3 m)
Longest span58 ft (17.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 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 1250 160th ST over West Iowa River built?

It was built in 1977, making it 48 years old in 2025.

What condition is 1250 160th ST over West Iowa River 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 2023.

How much traffic does 1250 160th ST over West Iowa River carry?

About 30 vehicles per day (2022 count).

How long is 1250 160th ST over West Iowa River?

The structure is 152 ft (46.3 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns 1250 160th ST over West Iowa River?

It is owned by the County Highway Agency.