Local over Prairie CR

Good

Hamilton County, Iowa · 087262003 · Structure no. 000000000171551

Built: 2006; 19 years old
Condition: Good; inspected September 2020
Type: Culvert; Concrete Continuous
Length: 24 ft; 2 main spans
Daily traffic: 26; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Prairie CR is a concrete continuous culvert carrying Local over Prairie CR in Hamilton County, Iowa. It was built in 2006, so it is 19 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesLocal

CrossesPrairie CR

Location087262003

RouteCounty Highway 0

CountyHamilton County

StateIowa

Coordinates42.33252, -93.90719

Functional classRural Local

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	8 Very Good	No problems noted.

Last inspectionSeptember 2020

Inspection intervalevery 48 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 rating48.6 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadHS 20

Structure length24 ft (7.3 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 traffic26 (2022)

Projected traffic26 by 2043

Trucks0%

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

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusPossibly eligible for the National Register; requires further investigation

Work proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Prairie CR built?

It was built in 2006, making it 19 years old in 2025.

What condition is Local over Prairie CR 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 2020.

How much traffic does Local over Prairie CR carry?

About 26 vehicles per day (2022 count).

How long is Local over Prairie CR?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).

Who owns Local over Prairie CR?

It is owned by the County Highway Agency.