US Bridges

Marsh Ave over Small Stream

Good

Sioux County, Iowa · 095431202 · Structure no. 000000000366340

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
22 ft
1 main span
Daily traffic
30
2022 count
Owner
County
County Highway Agency

About this bridge

Marsh Ave over Small Stream is a aluminum, wrought iron, or cast iron culvert carrying Marsh Ave over Small Stream in Sioux County, Iowa. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 30 by 2043. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMarsh Ave
CrossesSmall Stream
Location095431202
RouteCounty Highway 0
CountySioux County
StateIowa
Coordinates43.06901, -95.87993
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length22 ft (6.6 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2022)
Projected traffic30 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Marsh Ave over Small Stream built?

It was built in 2017, making it 8 years old in 2025.

What condition is Marsh Ave over Small Stream 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 December 2023.

How much traffic does Marsh Ave over Small Stream carry?

About 30 vehicles per day (2022 count).

How long is Marsh Ave over Small Stream?

The structure is 22 ft (6.6 m) long with a longest span of 22 ft (6.6 m).

Who owns Marsh Ave over Small Stream?

It is owned by the County Highway Agency.