US Bridges

Ia 141 over Willow Creek

Good

Guthrie County, Iowa · 2.1 MI W of W JCT Ia 25 · Structure no. 000000000026301

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
217 ft
3 main spans
Daily traffic
1,950
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 141 over Willow Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 141 over Willow Creek in Guthrie County, Iowa. It was built in 2014, so it is 11 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,950 vehicles a day, roughly 17% of them trucks, projected to reach 1,950 by 2043. The structure is 217 ft (66.2 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIa 141
CrossesWillow Creek
Location2.1 MI W of W JCT Ia 25
RouteState Highway 141
StateIowa
Coordinates41.84877, -94.59252
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length217 ft (66.2 m)
Longest span77 ft (23.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,950 (2023)
Projected traffic1,950 by 2043
Trucks17%
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

OwnerState Highway Agency
Maintained byState 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 Ia 141 over Willow Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Ia 141 over Willow 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 July 2024.

How much traffic does Ia 141 over Willow Creek carry?

About 1,950 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Ia 141 over Willow Creek?

The structure is 217 ft (66.2 m) long with a longest span of 77 ft (23.6 m) and a deck 47 ft wide.

Who owns Ia 141 over Willow Creek?

It is owned by the State Highway Agency.