Local over Small Stream

Good

Union County, Iowa · 072290306 · Structure no. 000000000325572

Built: 2010; 15 years old
Condition: Good; inspected October 2020
Type: Slab; Concrete Continuous
Length: 91 ft; 3 main spans
Daily traffic: 51; 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 Union County, Iowa. It was built in 2010, so it is 15 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 51 vehicles a day, roughly 12% of them trucks, projected to reach 51 by 2043. The structure is 91 ft (27.7 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesLocal

CrossesSmall Stream

Location072290306

RouteCounty Highway 0

CountyUnion County

StateIowa

Coordinates41.06313, -94.16812

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	7 Good	Some minor problems.

Last inspectionOctober 2020

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating53.6 US tons

Inventory rating41.4 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length91 ft (27.7 m)

Longest span35 ft (10.7 m)

Deck width27 ft (8.3 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2022)

Projected traffic51 by 2043

Trucks12%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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—

NavigationNot applicable (no waterway)

Frequently asked questions

When was Local over Small Stream built?

It was built in 2010, making it 15 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 October 2020.

How much traffic does Local over Small Stream carry?

About 51 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Local over Small Stream?

The structure is 91 ft (27.7 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.