US Bridges

FM 160th Ave over Ocheyedan River

Fair

Clay County, Iowa · 096370702 · Structure no. 000000000116841

Built
1981
44 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

FM 160th Ave over Ocheyedan River is a concrete continuous slab carrying FM 160th Ave over Ocheyedan River in Clay County, Iowa. It was built in 1981, so it is 44 years old, younger 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 40 vehicles a day, projected to reach 40 by 2042. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM 160th Ave
CrossesOcheyedan River
Location096370702
RouteCounty Highway 0
CountyClay County
StateIowa
Coordinates43.15185, -95.26935
Functional classRural Minor Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating33.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 160th Ave over Ocheyedan River built?

It was built in 1981, making it 44 years old in 2025.

What condition is FM 160th Ave over Ocheyedan 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 December 2022.

How much traffic does FM 160th Ave over Ocheyedan River carry?

About 40 vehicles per day (2022 count).

How long is FM 160th Ave over Ocheyedan River?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns FM 160th Ave over Ocheyedan River?

It is owned by the County Highway Agency.