210th Ave over Small Stream

Good

Scott County, Iowa · 080E41004 · Structure no. 000000000303602

Built: 2002; 23 years old
Condition: Good; inspected April 2023
Type: Tee Beam; Prestressed Concrete
Length: 50 ft; 1 main span
Daily traffic: 80; 2022 count
Owner: County; County Highway Agency

About this bridge

210th Ave over Small Stream is a prestressed concrete tee beam carrying 210th Ave over Small Stream in Scott County, Iowa. It was built in 2002, so it is 23 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 80 vehicles a day, projected to reach 80 by 2043. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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Carries210th Ave

CrossesSmall Stream

Location080E41004

RouteCounty Highway 0

CountyScott County

StateIowa

Coordinates41.74967, -90.49099

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	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionApril 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is

Operating rating68.8 US tons

Inventory rating40 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans1

Design loadHS 20

Structure length50 ft (15.2 m)

Longest span50 ft (15.2 m)

Deck width28 ft (8.5 m)

Roadway width28 ft (8.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2022)

Projected traffic80 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 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 210th Ave over Small Stream built?

It was built in 2002, making it 23 years old in 2025.

What condition is 210th Ave 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 April 2023.

How much traffic does 210th Ave over Small Stream carry?

About 80 vehicles per day (2022 count).

How long is 210th Ave over Small Stream?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns 210th Ave over Small Stream?

It is owned by the County Highway Agency.