US Bridges

Dogwood Ave over Small Stream

Good

Sioux County, Iowa · 094472502 · Structure no. 000000000309401

Built
2022
3 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

Dogwood Ave over Small Stream is a steel stringer/multi-beam or girder carrying Dogwood Ave over Small Stream in Sioux County, Iowa. It was built in 2022, so it is 3 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 26 vehicles a day, projected to reach 26 by 2043. The structure is 62 ft (18.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesDogwood Ave
CrossesSmall Stream
Location094472502
RouteCounty Highway 0
CountySioux County
StateIowa
Coordinates42.92542, -96.35167
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.3 US tons
Inventory rating28.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 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 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 Dogwood Ave over Small Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Dogwood 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 2022.

How much traffic does Dogwood Ave over Small Stream carry?

About 26 vehicles per day (2022 count).

How long is Dogwood Ave over Small Stream?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 24 ft wide.

Who owns Dogwood Ave over Small Stream?

It is owned by the County Highway Agency.