US Bridges

302nd Ave over Stream

Good

Appanoose County, Iowa · 070162104 · Structure no. 000000000065851

Built
2019
6 years old
Condition
Good
inspected October 2021
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
47
2022 count
Owner
County
County Highway Agency

About this bridge

302nd Ave over Stream is a steel culvert carrying 302nd Ave over Stream in Appanoose 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 47 vehicles a day, projected to reach 47 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
Carries302nd Ave
CrossesStream
Location070162104
RouteCounty Highway 0
CountyAppanoose County
StateIowa
Coordinates40.8546, -92.71074
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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2022)
Projected traffic47 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 302nd Ave over Stream built?

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

What condition is 302nd Ave over 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 2021.

How much traffic does 302nd Ave over Stream carry?

About 47 vehicles per day (2022 count).

How long is 302nd Ave over Stream?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 302nd Ave over Stream?

It is owned by the County Highway Agency.