US Bridges

175th ST over Farmers Creek

Fair

Jackson County, Iowa · 085E30705 · Structure no. 000000000193451

Built
2000
25 years old, rebuilt 2009
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
30
2021 count
Owner
County
County Highway Agency

About this bridge

175th ST over Farmers Creek is a steel stringer/multi-beam or girder carrying 175th ST over Farmers Creek in Jackson County, Iowa. It was built in 2000 and reconstructed in 2009, so it is 25 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 121 ft (36.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries175th ST
CrossesFarmers Creek
Location085E30705
RouteCounty Highway 0
StateIowa
Coordinates42.18577, -90.6625
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating47.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span61 ft (18.6 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2021)
Projected traffic30 by 2043
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 175th ST over Farmers Creek built?

It was built in 2000, making it 25 years old in 2025. It was reconstructed in 2009.

What condition is 175th ST over Farmers Creek 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 March 2023.

How much traffic does 175th ST over Farmers Creek carry?

About 30 vehicles per day (2021 count).

How long is 175th ST over Farmers Creek?

The structure is 121 ft (36.9 m) long with a longest span of 61 ft (18.6 m) and a deck 26 ft wide.

Who owns 175th ST over Farmers Creek?

It is owned by the County Highway Agency.