US Bridges

Larch Ave over Small Creek

Good

Sioux County, Iowa · 0964333022910 · Structure no. 000000000311242

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

Larch Ave over Small Creek is a steel culvert carrying Larch Ave over Small Creek in Sioux County, Iowa. It was built in 2015, so it is 10 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 36 ft (11 m) long. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesLarch Ave
CrossesSmall Creek
Location0964333022910
RouteCounty Highway 0
CountySioux County
StateIowa
Coordinates43.09062, -95.93942
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 inspectionMarch 2024
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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length36 ft (11 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 traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Larch Ave over Small Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Larch Ave over Small 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 March 2024.

How much traffic does Larch Ave over Small Creek carry?

About 20 vehicles per day (2022 count).

How long is Larch Ave over Small Creek?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m).

Who owns Larch Ave over Small Creek?

It is owned by the County Highway Agency.