Local over Small Stream

Fair

Louisa County, Iowa · 076051906 · Structure no. 000000000224871

Built: 1973; 52 years old
Condition: Fair; inspected June 2023
Type: Tee Beam; Prestressed Concrete
Length: 124 ft; 3 main spans
Daily traffic: 26; 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 Louisa County, Iowa. It was built in 1973, so it is 52 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 124 ft (37.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLocal

CrossesSmall Stream

Location076051906

RouteCounty Highway 0

CountyLouisa County

StateIowa

Coordinates41.37088, -91.48427

Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionJune 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating34 US tons

Inventory rating25 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length124 ft (37.8 m)

Longest span40 ft (12.2 m)

Deck width30 ft (9.2 m)

Roadway width28 ft (8.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)

Projected traffic26 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 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 1973, making it 52 years old in 2025.

What condition is Local over Small Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Local over Small Stream carry?

About 26 vehicles per day (2022 count).

How long is Local over Small Stream?

The structure is 124 ft (37.8 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Local over Small Stream?

It is owned by the County Highway Agency.