Local over Small Stream

Good

Iowa County, Iowa · 080093501 · Structure no. 000000000190291

Built: 2003; 22 years old
Condition: Good; inspected March 2023
Type: Slab; Concrete Continuous
Length: 78 ft; 3 main spans
Daily traffic: 30; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Small Stream is a concrete continuous slab carrying Local over Small Stream in Iowa County, Iowa. It was built in 2003, so it is 22 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 78 ft (23.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLocal

CrossesSmall Stream

Location080093501

RouteCounty Highway 0

CountyIowa County

StateIowa

Coordinates41.7012, -91.8576

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 2023

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 adequacy6: Equal to present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating83.9 US tons

Inventory rating50.2 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length78 ft (23.8 m)

Longest span29 ft (8.8 m)

Deck width27 ft (8.3 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)

Projected traffic30 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 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 Small Stream built?

It was built in 2003, making it 22 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 2023.

How much traffic does Local over Small Stream carry?

About 30 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.