250th ST over Creek

Good

Dickinson County, Iowa · 098352701 · Structure no. 000000000144661

Built: 2013; 12 years old
Condition: Good; inspected March 2021
Type: Slab; Concrete Continuous
Length: 124 ft; 3 main spans
Daily traffic: 20; 2022 count
Owner: County; County Highway Agency

About this bridge

250th ST over Creek is a concrete continuous slab carrying 250th ST over Creek in Dickinson County, Iowa. It was built in 2013, so it is 12 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 20 vehicles a day, projected to reach 20 by 2043. The structure is 124 ft (37.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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Carries250th ST

CrossesCreek

Location098352701

RouteCounty Highway 0

CountyDickinson County

StateIowa

Coordinates43.28414, -94.96572

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
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionMarch 2021

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating57.1 US tons

Inventory rating44 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length124 ft (37.8 m)

Longest span47 ft (14.3 m)

Deck width33 ft (10.1 m)

Roadway width31 ft (9.3 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2022)

Projected traffic20 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.1 mi (5 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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was 250th ST over Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is 250th ST over 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 March 2021.

How much traffic does 250th ST over Creek carry?

About 20 vehicles per day (2022 count).

How long is 250th ST over Creek?

The structure is 124 ft (37.8 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns 250th ST over Creek?

It is owned by the County Highway Agency.