US Bridges

Ia 44 over Br Walnut Creek

Good

Dallas County, Iowa · 0.1 Mile E of JCT SR R30 · Structure no. 000000000021981

Built
1980
45 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
6,400
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 44 over Br Walnut Creek is a concrete continuous culvert carrying Ia 44 over Br Walnut Creek in Dallas County, Iowa. It was built in 1980, so it is 45 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 6,400 vehicles a day, roughly 10% of them trucks, projected to reach 6,400 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIa 44
CrossesBr Walnut Creek
Location0.1 Mile E of JCT SR R30
RouteState Highway 44
CountyDallas County
StateIowa
Coordinates41.68828, -93.85127
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2022)
Projected traffic6,400 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Br Walnut Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Ia 44 over Br Walnut Creek 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 July 2023.

How much traffic does Ia 44 over Br Walnut Creek carry?

About 6,400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ia 44 over Br Walnut Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Ia 44 over Br Walnut Creek?

It is owned by the State Highway Agency.