US Bridges

80th over Small Stream

Good

Wayne County, Iowa · 070221808 · Structure no. 000000000366405

Built
2018
7 years old
Condition
Good
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

80th over Small Stream is a steel stringer/multi-beam or girder carrying 80th over Small Stream in Wayne County, Iowa. It was built in 2018, so it is 7 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 35 ft (10.7 m) long and 30 ft wide.

Carries80th
CrossesSmall Stream
Location070221808
RouteCounty Highway 0
StateIowa
Coordinates40.86873, -93.42349
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span34 ft (10.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 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 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 80th over Small Stream built?

It was built in 2018, making it 7 years old in 2025.

What condition is 80th 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 October 2022.

How much traffic does 80th over Small Stream carry?

About 26 vehicles per day (2022 count).

How long is 80th over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.5 m) and a deck 30 ft wide.

Who owns 80th over Small Stream?

It is owned by the County Highway Agency.