US Bridges

Ia 44 over Branch Six Mile Creek

Good

Harrison County, Iowa · 4.3 Mi. E of Jct. US 30 · Structure no. 000000000027661

Built
1978
47 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 44 over Branch Six Mile Creek is a concrete continuous culvert carrying Ia 44 over Branch Six Mile Creek in Harrison County, Iowa. It was built in 1978, so it is 47 years old, older 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 800 vehicles a day, roughly 22% of them trucks, projected to reach 800 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 32.9 mi (53 km).

CarriesIa 44
CrossesBranch Six Mile Creek
Location4.3 Mi. E of Jct. US 30
RouteState Highway 44
StateIowa
Coordinates41.65563, -95.65514
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
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 alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 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 traffic800 (2022)
Projected traffic800 by 2044
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 Branch Six Mile Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ia 44 over Branch Six Mile 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 April 2024.

How much traffic does Ia 44 over Branch Six Mile Creek carry?

About 800 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Ia 44 over Branch Six Mile Creek?

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

Who owns Ia 44 over Branch Six Mile Creek?

It is owned by the State Highway Agency.