US Bridges

Local over W Fk Little Sioux River

PoorPosted for load

Woodbury County, Iowa · 086450401 · Structure no. 000000000350940

Built
1952
73 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
204 ft
3 main spans
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Local over W Fk Little Sioux River is a steel continuous stringer/multi-beam or girder carrying Local over W Fk Little Sioux River 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 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2044. The structure is 204 ft (62.2 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLocal
CrossesW Fk Little Sioux River
Location086450401
RouteCounty Highway 0
StateIowa
Coordinates42.30003, -96.09027
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.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.2 US tons
Inventory rating18 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length204 ft (62.2 m)
Longest span78 ft (23.8 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 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 statusPossibly eligible for the National Register; requires further investigation
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 W Fk Little Sioux River built?

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

What condition is Local over W Fk Little Sioux 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 July 2024.

How much traffic does Local over W Fk Little Sioux River carry?

About 30 vehicles per day (2022 count).

How long is Local over W Fk Little Sioux River?

The structure is 204 ft (62.2 m) long with a longest span of 78 ft (23.8 m) and a deck 22 ft wide.

Who owns Local over W Fk Little Sioux River?

It is owned by the County Highway Agency.