US Bridges

Local over Floyd River Overflow

FairPosted for load

O'Brien County, Iowa · 097421502 · Structure no. 000000000262150

Built
1933
92 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Floyd River Overflow is a steel stringer/multi-beam or girder carrying Local over Floyd River Overflow in O'Brien County, Iowa. It was built in 1933 and reconstructed in 1994, so it is 92 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 other load-capacity restriction.

It carries about 26 vehicles a day, projected to reach 26 by 2044. The structure is 41 ft (12.5 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLocal
CrossesFloyd River Overflow
Location097421502
RouteCounty Highway 0
StateIowa
Coordinates43.22879, -95.80313
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 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 closed6.2 mi (10 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 Floyd River Overflow built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1994.

What condition is Local over Floyd River Overflow 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 Local over Floyd River Overflow carry?

About 26 vehicles per day (2022 count).

How long is Local over Floyd River Overflow?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 21 ft wide.

Who owns Local over Floyd River Overflow?

It is owned by the County Highway Agency.