US Bridges

Local over Floyd River

Fair

Sioux County, Iowa · 096432701 · Structure no. 000000000311141

Built
1979
46 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
61 ft
2 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Floyd River is a wood or timber stringer/multi-beam or girder carrying Local over Floyd River in Sioux County, Iowa. It was built in 1979, so it is 46 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.

It carries about 20 vehicles a day, projected to reach 20 by 2044. The structure is 61 ft (18.6 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesLocal
CrossesFloyd River
Location096432701
RouteCounty Highway 0
CountySioux County
StateIowa
Coordinates43.11285, -95.90707
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$34,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Floyd River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Local over Floyd River 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 2024.

How much traffic does Local over Floyd River carry?

About 20 vehicles per day (2022 count).

How long is Local over Floyd River?

The structure is 61 ft (18.6 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Local over Floyd River?

It is owned by the County Highway Agency.