Local over Small Stream

Good

Iowa County, Iowa · 080102501 · Structure no. 000000000190431

Built: 2005; 20 years old
Condition: Good; inspected March 2024
Type: Tee Beam; Prestressed Concrete
Length: 58 ft; 1 main span
Daily traffic: 15; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Small Stream is a prestressed concrete tee beam carrying Local over Small Stream in Iowa County, Iowa. It was built in 2005, so it is 20 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 15 vehicles a day, projected to reach 15 by 2044. The structure is 58 ft (17.7 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesLocal

CrossesSmall Stream

Location080102501

RouteCounty Highway 0

CountyIowa County

StateIowa

Coordinates41.71642, -91.96458

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	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionMarch 2024

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating46.7 US tons

Inventory rating36 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans1

Design loadHS 20

Structure length58 ft (17.7 m)

Longest span58 ft (17.7 m)

Deck width27 ft (8.3 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)

Projected traffic15 by 2044

Trucks0%

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 Local over Small Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is Local 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 2024.

How much traffic does Local over Small Stream carry?

About 15 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 58 ft (17.7 m) long with a longest span of 58 ft (17.7 m) and a deck 27 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.