US Bridges

C-38 over W Br Floyd River

Good

Plymouth County, Iowa · 9246350120 · Structure no. 000000000275151

Built
2012
13 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
1,347
2022 count
Owner
County
County Highway Agency

About this bridge

C-38 over W Br Floyd River is a prestressed concrete stringer/multi-beam or girder carrying C-38 over W Br Floyd River in Plymouth County, Iowa. It was built in 2012, so it is 13 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 1,347 vehicles a day, roughly 19% of them trucks, projected to reach 1,347 by 2043. The structure is 204 ft (62.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC-38
CrossesW Br Floyd River
Location9246350120
RouteCounty Highway 0
StateIowa
Coordinates42.7497, -96.24126
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length204 ft (62.3 m)
Longest span72 ft (21.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,347 (2022)
Projected traffic1,347 by 2043
Trucks19%
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$1.5 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-38 over W Br Floyd River built?

It was built in 2012, making it 13 years old in 2025.

What condition is C-38 over W Br 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 July 2023.

How much traffic does C-38 over W Br Floyd River carry?

About 1,347 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is C-38 over W Br Floyd River?

The structure is 204 ft (62.3 m) long with a longest span of 72 ft (21.9 m) and a deck 33 ft wide.

Who owns C-38 over W Br Floyd River?

It is owned by the County Highway Agency.