Local over Raccoon River

Good

Sac County, Iowa · 089361301 · Structure no. 000000000301521

Built: 1985; 40 years old
Condition: Good; inspected August 2024
Type: Slab; Concrete Continuous
Length: 178 ft; 4 main spans
Daily traffic: 30; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Raccoon River is a concrete continuous slab carrying Local over Raccoon River in Sac County, Iowa. It was built in 1985, so it is 40 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 7 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 2044. The structure is 178 ft (54.3 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

CrossesRaccoon River

Location089361301

RouteCounty Highway 0

CountySac County

StateIowa

Coordinates42.53253, -95.05211

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	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionAugust 2024

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation7: Better than present minimum criteria

Deck geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating79.8 US tons

Inventory rating47.8 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans4

Design loadH 20

Structure length178 ft (54.3 m)

Longest span49 ft (14.9 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 2044

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 Raccoon River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Local over Raccoon River 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 August 2024.

How much traffic does Local over Raccoon River carry?

About 30 vehicles per day (2022 count).

How long is Local over Raccoon River?

The structure is 178 ft (54.3 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns Local over Raccoon River?

It is owned by the County Highway Agency.