US Bridges

Garfield Ave over Small

Good

Sioux County, Iowa · 097462502 · Structure no. 000000000365140

Built
1977
48 years old, rebuilt 1981
Condition
Good
inspected December 2022
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
900
2019 count
Owner
County
County Highway Agency

About this bridge

Garfield Ave over Small is a steel culvert carrying Garfield Ave over Small in Sioux County, Iowa. It was built in 1977 and reconstructed in 1981, so it is 48 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 900 vehicles a day, roughly 22% of them trucks, projected to reach 900 by 2042. The structure is 35 ft (10.7 m) long.

CarriesGarfield Ave
CrossesSmall
Location097462502
RouteCounty Highway 0
StateIowa
Coordinates43.18999, -96.23556
Functional classRural Minor Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2022
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 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 length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2019)
Projected traffic900 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Garfield Ave over Small built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 1981.

What condition is Garfield Ave over Small 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 2022.

How much traffic does Garfield Ave over Small carry?

About 900 vehicles per day (2019 count), of which roughly 22% are trucks.

How long is Garfield Ave over Small?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m).

Who owns Garfield Ave over Small?

It is owned by the County Highway Agency.