US Bridges

FM K-13 over Westfield Creek

Good

Plymouth County, Iowa · 092482902 · Structure no. 000000000275831

Built
1988
37 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
180
2022 count
Owner
County
County Highway Agency

About this bridge

FM K-13 over Westfield Creek is a concrete continuous culvert carrying FM K-13 over Westfield Creek in Plymouth County, Iowa. It was built in 1988, so it is 37 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 180 vehicles a day, roughly 11% of them trucks, projected to reach 180 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM K-13
CrossesWestfield Creek
Location092482902
RouteCounty Highway 0
StateIowa
Coordinates42.756, -96.54651
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 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 traffic180 (2022)
Projected traffic180 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FM K-13 over Westfield Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is FM K-13 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 K-13 over Westfield Creek carry?

About 180 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM K-13 over Westfield Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns FM K-13 over Westfield Creek?

It is owned by the County Highway Agency.