US Bridges

Local over West Fork Little Sioux

FairPosted for load

Woodbury County, Iowa · 088451601 · Structure no. 000000000353720

Built
1952
73 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
213 ft
3 main spans
Daily traffic
80
2022 count
Owner
County
County Highway Agency

About this bridge

Local over West Fork Little Sioux is a steel continuous stringer/multi-beam or girder carrying Local over West Fork Little Sioux in Woodbury County, Iowa. It was built in 1952, so it is 73 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 80 by 2044. The structure is 213 ft (64.9 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocal
CrossesWest Fork Little Sioux
Location088451601
RouteCounty Highway 0
StateIowa
Coordinates42.44384, -96.0943
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 rating30.4 US tons
Inventory rating19.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length213 ft (64.9 m)
Longest span82 ft (25 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)
Projected traffic80 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over West Fork Little Sioux built?

It was built in 1952, making it 73 years old in 2025.

What condition is Local over West Fork Little Sioux 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 July 2024.

How much traffic does Local over West Fork Little Sioux carry?

About 80 vehicles per day (2022 count).

How long is Local over West Fork Little Sioux?

The structure is 213 ft (64.9 m) long with a longest span of 82 ft (25 m) and a deck 23 ft wide.

Who owns Local over West Fork Little Sioux?

It is owned by the County Highway Agency.