Local over Dd 2

Good

Muscatine County, Iowa · 076040703 · Structure no. 000000000257171

Built: 2010; 15 years old
Condition: Good; inspected September 2024
Type: Slab; Concrete Continuous
Length: 71 ft; 3 main spans
Daily traffic: 51; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Dd 2 is a concrete continuous slab carrying Local over Dd 2 in Muscatine 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, projected to reach 51 by 2044. The structure is 71 ft (21.6 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

CrossesDd 2

Location076040703

RouteCounty Highway 0

CountyMuscatine County

StateIowa

Coordinates41.40146, -91.35812

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 inspectionSeptember 2024

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 alignment8: Equal to present desirable criteria

Operating rating57.1 US tons

Inventory rating44 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length71 ft (21.6 m)

Longest span28 ft (8.5 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 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 Dd 2 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Local over Dd 2 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 September 2024.

How much traffic does Local over Dd 2 carry?

About 51 vehicles per day (2022 count).

How long is Local over Dd 2?

The structure is 71 ft (21.6 m) long with a longest span of 28 ft (8.5 m) and a deck 27 ft wide.

Who owns Local over Dd 2?

It is owned by the County Highway Agency.