US Bridges

Ginkgo RD over Small Stream

Good

Shelby County, Iowa · 803039 · Structure no. 000000000306551

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
85 ft
1 main span
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

Ginkgo RD over Small Stream is a steel stringer/multi-beam or girder carrying Ginkgo RD over Small Stream in Shelby 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 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 46 vehicles a day, projected to reach 46 by 2044. The structure is 85 ft (25.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGinkgo RD
CrossesSmall Stream
Location803039
RouteCounty Highway 0
CountyShelby County
StateIowa
Coordinates41.71094, -95.44144
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+2 approach)
Design loadUnknown
Structure length85 ft (25.9 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Ginkgo RD over Small Stream built?

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

What condition is Ginkgo RD 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 April 2024.

How much traffic does Ginkgo RD over Small Stream carry?

About 46 vehicles per day (2022 count).

How long is Ginkgo RD over Small Stream?

The structure is 85 ft (25.9 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns Ginkgo RD over Small Stream?

It is owned by the County Highway Agency.