US Bridges

1290 190th ST over West Iowa River

Poor

Hancock County, Iowa · 095252401 · Structure no. 000000000173430

Built
1957
68 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

1290 190th ST over West Iowa River is a prestressed concrete stringer/multi-beam or girder carrying 1290 190th ST over West Iowa River in Hancock County, Iowa. It was built in 1957, so it is 68 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 95 ft (29 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries1290 190th ST
CrossesWest Iowa River
Location095252401
RouteCounty Highway 0
StateIowa
Coordinates43.0386, -93.73688
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.4 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length95 ft (29 m)
Longest span31 ft (9.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$297,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 1290 190th ST over West Iowa River built?

It was built in 1957, making it 68 years old in 2025.

What condition is 1290 190th ST over West Iowa River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does 1290 190th ST over West Iowa River carry?

About 26 vehicles per day (2022 count).

How long is 1290 190th ST over West Iowa River?

The structure is 95 ft (29 m) long with a longest span of 31 ft (9.4 m) and a deck 20 ft wide.

Who owns 1290 190th ST over West Iowa River?

It is owned by the County Highway Agency.