US Bridges

Oak Hill Ave over Little Floyd River

Fair

O'Brien County, Iowa · 96240201 · Structure no. 000000000261261

Built
2020
5 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
152 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Oak Hill Ave over Little Floyd River is a concrete slab carrying Oak Hill Ave over Little Floyd River in O'Brien County, Iowa. It was built in 2020, so it is 5 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 26 vehicles a day, projected to reach 26 by 2044. The structure is 152 ft (46.4 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOak Hill Ave
CrossesLittle Floyd River
Location96240201
RouteCounty Highway 0
CountyO'Brien County
StateIowa
Coordinates43.16755, -95.78224
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.8 US tons
Inventory rating48.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length152 ft (46.4 m)
Longest span50 ft (15.3 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oak Hill Ave over Little Floyd River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Oak Hill Ave 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 2024.

How much traffic does Oak Hill Ave over Little Floyd River carry?

About 26 vehicles per day (2022 count).

How long is Oak Hill Ave over Little Floyd River?

The structure is 152 ft (46.4 m) long with a longest span of 50 ft (15.3 m) and a deck 23 ft wide.

Who owns Oak Hill Ave over Little Floyd River?

It is owned by the County Highway Agency.