US Bridges

N44 Lake RD over Drainage Ditch

Good

Taylor County, Iowa · 068330706 · Structure no. 000000000049891

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
417
2022 count
Owner
County
County Highway Agency

About this bridge

N44 Lake RD over Drainage Ditch is a concrete continuous culvert carrying N44 Lake RD over Drainage Ditch in Taylor County, Iowa. It was built in 1988, so it is 37 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 417 vehicles a day, roughly 13% of them trucks, projected to reach 417 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesN44 Lake RD
CrossesDrainage Ditch
Location068330706
RouteCounty Highway 0
StateIowa
Coordinates40.70704, -94.6851
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2022)
Projected traffic417 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 N44 Lake RD over Drainage Ditch built?

It was built in 1988, making it 37 years old in 2025.

What condition is N44 Lake RD over Drainage Ditch 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 May 2024.

How much traffic does N44 Lake RD over Drainage Ditch carry?

About 417 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is N44 Lake RD over Drainage Ditch?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns N44 Lake RD over Drainage Ditch?

It is owned by the County Highway Agency.