US Bridges

FM C-38 over Westfield Creek

Good

Plymouth County, Iowa · 092493601 · Structure no. 000000000275951

Built
1987
38 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
589
2022 count
Owner
County
County Highway Agency

About this bridge

FM C-38 over Westfield Creek is a concrete culvert carrying FM C-38 over Westfield Creek in Plymouth County, Iowa. It was built in 1987, so it is 38 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 589 vehicles a day, roughly 28% of them trucks, projected to reach 589 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFM C-38
CrossesWestfield Creek
Location092493601
RouteCounty Highway 0
CountyPlymouth County
StateIowa
Coordinates42.75059, -96.58081
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating63.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic589 (2022)
Projected traffic589 by 2043
Trucks28%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$116,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM C-38 over Westfield Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is FM C-38 over Westfield 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 September 2023.

How much traffic does FM C-38 over Westfield Creek carry?

About 589 vehicles per day (2022 count), of which roughly 28% are trucks.

How long is FM C-38 over Westfield Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns FM C-38 over Westfield Creek?

It is owned by the County Highway Agency.