Ia 44 over David`s Creek

Fair

Audubon County, Iowa · 0.2 Mi. W of SR N36 · Structure no. 000000000014235

Built: 1972; 53 years old
Condition: Fair; inspected September 2024
Type: Slab; Concrete Continuous
Length: 128 ft; 3 main spans
Daily traffic: 830; 2022 count
Owner: State; State Highway Agency

About this bridge

Ia 44 over David`s Creek is a concrete continuous slab carrying Ia 44 over David`s Creek in Audubon County, Iowa. It was built in 1972, so it is 53 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 5 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 830 vehicles a day, roughly 20% of them trucks, projected to reach 830 by 2044. The structure is 128 ft (39 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesIa 44

CrossesDavid`s Creek

Location0.2 Mi. W of SR N36

RouteState Highway 44

CountyAudubon County

StateIowa

Coordinates41.67416, -94.80624

Functional classRural Minor Arterial

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	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionSeptember 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry9: Superior to present desirable criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating67.8 US tons

Inventory rating40.7 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length128 ft (39 m)

Longest span49 ft (14.9 m)

Deck width47 ft (14.4 m)

Roadway width44 ft (13.4 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic830 (2022)

Projected traffic830 by 2044

Trucks20%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 44 over David`s Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Ia 44 over David`s Creek 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 September 2024.

How much traffic does Ia 44 over David`s Creek carry?

About 830 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Ia 44 over David`s Creek?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 47 ft wide.

Who owns Ia 44 over David`s Creek?

It is owned by the State Highway Agency.