US Bridges

415th ST over Drainage Ditch

Good

Worth County, Iowa · 099202605 · Structure no. 000000000356116

Built
2023
2 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

415th ST over Drainage Ditch is a concrete continuous culvert carrying 415th ST over Drainage Ditch in Worth County, Iowa. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26 vehicles a day, projected to reach 26 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries415th ST
CrossesDrainage Ditch
Location099202605
RouteCounty Highway 0
CountyWorth County
StateIowa
Coordinates43.3642, -93.17735
Functional classRural Local

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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length26 ft (7.9 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 traffic26 (2022)
Projected traffic26 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 415th ST over Drainage Ditch built?

It was built in 2023, making it 2 years old in 2025.

What condition is 415th ST 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 November 2023.

How much traffic does 415th ST over Drainage Ditch carry?

About 26 vehicles per day (2022 count).

How long is 415th ST over Drainage Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns 415th ST over Drainage Ditch?

It is owned by the County Highway Agency.