US Bridges

C38 over Perry Creek

Good

Plymouth County, Iowa · 9247360110 · Structure no. 000000000275511

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
24 ft
1 main span
Daily traffic
948
2022 count
Owner
County
County Highway Agency

About this bridge

C38 over Perry Creek is a concrete continuous culvert carrying C38 over Perry Creek in Plymouth County, Iowa. It was built in 2017, so it is 8 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 948 vehicles a day, roughly 21% of them trucks, projected to reach 948 by 2043. The structure is 24 ft (7.3 m) long.

CarriesC38
CrossesPerry Creek
Location9247360110
RouteCounty Highway 0
StateIowa
Coordinates42.74964, -96.33419
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic948 (2022)
Projected traffic948 by 2043
Trucks21%
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$172,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C38 over Perry Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is C38 over Perry Creek 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 August 2023.

How much traffic does C38 over Perry Creek carry?

About 948 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is C38 over Perry Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns C38 over Perry Creek?

It is owned by the County Highway Agency.