US Bridges

C44 230th ST over Floyd River

Good

Plymouth County, Iowa · 9146110310 · Structure no. 000000000273271

Built
2019
6 years old
Condition
Good
inspected May 2024
Type
Girder and Floorbeam System
Prestressed Concrete Continuous
Length
314 ft
1 main span
Daily traffic
439
2022 count
Owner
County
County Highway Agency

About this bridge

C44 230th ST over Floyd River is a prestressed concrete continuous girder and floorbeam system carrying C44 230th ST over Floyd River in Plymouth County, Iowa. It was built in 2019, so it is 6 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 439 vehicles a day, projected to reach 439 by 2044. The structure is 314 ft (95.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC44 230th ST
CrossesFloyd River
Location9146110310
RouteCounty Highway 0
StateIowa
Coordinates42.72135, -96.24061
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length314 ft (95.7 m)
Longest span132 ft (40.2 m)
Deck width33 ft (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2022)
Projected traffic439 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 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 C44 230th ST over Floyd River built?

It was built in 2019, making it 6 years old in 2025.

What condition is C44 230th ST over Floyd River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does C44 230th ST over Floyd River carry?

About 439 vehicles per day (2022 count).

How long is C44 230th ST over Floyd River?

The structure is 314 ft (95.7 m) long with a longest span of 132 ft (40.2 m) and a deck 33 ft wide.

Who owns C44 230th ST over Floyd River?

It is owned by the County Highway Agency.