US Bridges

Georgia Ave over Dd

Good

Humboldt County, Iowa · Humboldt · Structure no. 000000000185341

Built
2019
6 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
40
2019 count
Owner
County
County Highway Agency

About this bridge

Georgia Ave over Dd is a concrete culvert carrying Georgia Ave over Dd in Humboldt County, Iowa. It was built in 2019, so it is 6 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 40 vehicles a day, projected to reach 40 by 2043. The structure is 22 ft (6.7 m) long and 22 ft wide.

Location

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CarriesGeorgia Ave
CrossesDd
LocationHumboldt
RouteCounty Highway 0
CountyHumboldt County
StateIowa
Coordinates42.84015, -94.32505
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 inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2019)
Projected traffic40 by 2043
Trucks0%
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 Georgia Ave over Dd built?

It was built in 2019, making it 6 years old in 2025.

What condition is Georgia Ave over Dd 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 2022.

How much traffic does Georgia Ave over Dd carry?

About 40 vehicles per day (2019 count).

How long is Georgia Ave over Dd?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Georgia Ave over Dd?

It is owned by the County Highway Agency.