B22 110th ST over Small Stream

Good

Chickasaw County, Iowa · 97123001 · Structure no. 000000000019881

Built: 2016; 9 years old
Condition: Good; inspected March 2023
Type: Culvert; Concrete Continuous
Length: 35 ft; 2 main spans
Daily traffic: 295; 2022 count
Owner: County; County Highway Agency

About this bridge

B22 110th ST over Small Stream is a concrete continuous culvert carrying B22 110th ST over Small Stream in Chickasaw County, Iowa. It was built in 2016, so it is 9 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 295 vehicles a day, roughly 15% of them trucks, projected to reach 295 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesB22 110th ST

CrossesSmall Stream

Location97123001

RouteCounty Highway 0

CountyChickasaw County

StateIowa

Coordinates43.19884, -92.30015

Functional classRural Major Collector

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 inspectionMarch 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Waterway adequacy9: Superior to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating60 US tons

Inventory rating46.4 US tons

Structure

Structure typeCulvert

MaterialConcrete Continuous

DeckNot applicable

Main spans2

Design loadHL 93

Structure length35 ft (10.7 m)

Longest span17 ft (5.2 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic295 (2022)

Projected traffic295 by 2043

Trucks15%

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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was B22 110th ST over Small Stream built?

It was built in 2016, making it 9 years old in 2025.

What condition is B22 110th ST over Small Stream 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 2023.

How much traffic does B22 110th ST over Small Stream carry?

About 295 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is B22 110th ST over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m).

Who owns B22 110th ST over Small Stream?

It is owned by the County Highway Agency.