Ia 175 over Little Beaver Creek

Good

Hardin County, Iowa · 0.9 Miles West of SR D41 · Structure no. 000000000027210

Built: 1961; 64 years old, rebuilt 1996
Condition: Good; inspected April 2023
Type: Culvert; Concrete Continuous
Length: 40 ft; 3 main spans
Daily traffic: 2,260; 2022 count
Owner: State; State Highway Agency

About this bridge

Ia 175 over Little Beaver Creek is a concrete continuous culvert carrying Ia 175 over Little Beaver Creek in Hardin County, Iowa. It was built in 1961 and reconstructed in 1996, so it is 64 years old, older 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 2,260 vehicles a day, roughly 12% of them trucks, projected to reach 2,260 by 2042. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesIa 175

CrossesLittle Beaver Creek

Location0.9 Miles West of SR D41

RouteState Highway 175

CountyHardin County

StateIowa

Coordinates42.36089, -93.14589

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	7 Good	Some minor problems.

Last inspectionApril 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating35.1 US tons

Inventory rating20.7 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans3

Design loadH 20

Structure length40 ft (12.2 m)

Longest span12 ft (3.7 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,260 (2022)

Projected traffic2,260 by 2042

Trucks12%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed5 mi (8 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 175 over Little Beaver Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1996.

What condition is Ia 175 over Little Beaver 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 April 2023.

How much traffic does Ia 175 over Little Beaver Creek carry?

About 2,260 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 175 over Little Beaver Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 175 over Little Beaver Creek?

It is owned by the State Highway Agency.