Local over Spring Branch

Good

Chickasaw County, Iowa · 095133502 · Structure no. 000000000111731

Built: 2005; 20 years old
Condition: Good; inspected April 2023
Type: Slab; Concrete Continuous
Length: 113 ft; 3 main spans
Daily traffic: 41; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Spring Branch is a concrete continuous slab carrying Local over Spring Branch in Chickasaw 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 113 ft (34.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLocal

CrossesSpring Branch

Location095133502

RouteCounty Highway 0

CountyChickasaw County

StateIowa

Coordinates43.00509, -92.35712

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 inspectionApril 2023

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating91.9 US tons

Inventory rating55.1 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length113 ft (34.4 m)

Longest span44 ft (13.4 m)

Deck width32 ft (9.8 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2022)

Projected traffic41 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 Spring Branch built?

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

What condition is Local over Spring Branch 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 Local over Spring Branch carry?

About 41 vehicles per day (2022 count).

How long is Local over Spring Branch?

The structure is 113 ft (34.4 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Local over Spring Branch?

It is owned by the County Highway Agency.