US Bridges

330th ST over Little Floyd River

Fair

O'Brien County, Iowa · 096 42 01 10 · Structure no. 000000000261211

Built
2011
14 years old
Condition
Fair
inspected June 2022
Type
Other
Steel
Length
69 ft
1 main span
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

330th ST over Little Floyd River is a steel other carrying 330th ST over Little Floyd River in O'Brien County, Iowa. It was built in 2011, so it is 14 years old, younger 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 46 vehicles a day, projected to reach 46 by 2043. The structure is 69 ft (21 m) long and 31 ft wide.

Location

Open in Google Maps
Carries330th ST
CrossesLittle Floyd River
Location096 42 01 10
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.17162, -95.74951
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeOther
MaterialSteel
DeckOther
Main spans1
Design loadHS 20
Structure length69 ft (21 m)
Longest span67 ft (20.4 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 330th ST over Little Floyd River built?

It was built in 2011, making it 14 years old in 2025.

What condition is 330th ST over Little 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 June 2022.

How much traffic does 330th ST over Little Floyd River carry?

About 46 vehicles per day (2022 count).

How long is 330th ST over Little Floyd River?

The structure is 69 ft (21 m) long with a longest span of 67 ft (20.4 m) and a deck 31 ft wide.

Who owns 330th ST over Little Floyd River?

It is owned by the County Highway Agency.