US Bridges

950 150th ST over West Otter Creek Dd 26

Fair

Hancock County, Iowa · 094251001 · Structure no. 000000000172781

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
41
2022 count
Owner
County
County Highway Agency

About this bridge

950 150th ST over West Otter Creek Dd 26 is a prestressed concrete stringer/multi-beam or girder carrying 950 150th ST over West Otter Creek Dd 26 in Hancock County, Iowa. It was built in 1976, so it is 49 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 57 ft (17.4 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries950 150th ST
CrossesWest Otter Creek Dd 26
Location094251001
RouteCounty Highway 0
CountyHancock County
StateIowa
Coordinates42.98128, -93.78269
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.5 US tons
Inventory rating19.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length57 ft (17.4 m)
Longest span55 ft (16.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)
Projected traffic41 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$743,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 950 150th ST over West Otter Creek Dd 26 built?

It was built in 1976, making it 49 years old in 2025.

What condition is 950 150th ST over West Otter Creek Dd 26 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 950 150th ST over West Otter Creek Dd 26 carry?

About 41 vehicles per day (2022 count).

How long is 950 150th ST over West Otter Creek Dd 26?

The structure is 57 ft (17.4 m) long with a longest span of 55 ft (16.8 m) and a deck 26 ft wide.

Who owns 950 150th ST over West Otter Creek Dd 26?

It is owned by the County Highway Agency.