FM over Dd 2

Good

Muscatine County, Iowa · 076043001 · Structure no. 000000000257302

Built: 2004; 21 years old
Condition: Good; inspected September 2024
Type: Slab; Concrete Continuous
Length: 116 ft; 3 main spans
Daily traffic: 110; 2022 count
Owner: County; County Highway Agency

About this bridge

FM over Dd 2 is a concrete continuous slab carrying FM over Dd 2 in Muscatine County, Iowa. It was built in 2004, so it is 21 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 110 vehicles a day, projected to reach 110 by 2044. The structure is 116 ft (35.4 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFM

CrossesDd 2

Location076043001

RouteCounty Highway 0

CountyMuscatine County

StateIowa

Coordinates41.36507, -91.36737

Functional classRural Minor Collector

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 above top of footing

Structural evaluation8: Equal to present desirable criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating91.8 US tons

Inventory rating54.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length116 ft (35.4 m)

Longest span44 ft (13.4 m)

Deck width27 ft (8.3 m)

Roadway width25 ft (7.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2022)

Projected traffic110 by 2044

Trucks0%

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—

NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Dd 2 built?

It was built in 2004, making it 21 years old in 2025.

What condition is FM 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 FM over Dd 2 carry?

About 110 vehicles per day (2022 count).

How long is FM over Dd 2?

The structure is 116 ft (35.4 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns FM over Dd 2?

It is owned by the County Highway Agency.