US Bridges

800th Street over Small Stream

Good

Shelby County, Iowa · 079373401 · Structure no. 000000000305131

Built
2023
2 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
46
2022 count
Owner
County
County Highway Agency

About this bridge

800th Street over Small Stream is a steel stringer/multi-beam or girder carrying 800th Street over Small Stream in Shelby County, Iowa. It was built in 2023, so it is 2 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 47 ft (14.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries800th Street
CrossesSmall Stream
Location079373401
RouteCounty Highway 0
CountyShelby County
StateIowa
Coordinates41.61637, -95.13718
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHL 93
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)
Projected traffic46 by 2044
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$90 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 800th Street over Small Stream built?

It was built in 2023, making it 2 years old in 2025.

What condition is 800th Street 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 February 2024.

How much traffic does 800th Street over Small Stream carry?

About 46 vehicles per day (2022 count).

How long is 800th Street over Small Stream?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 24 ft wide.

Who owns 800th Street over Small Stream?

It is owned by the County Highway Agency.