US Bridges

P17 Nevada Ave over Stream

Good

Adair County, Iowa · 074312902 · Structure no. 000000000054871

Built
2004
21 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

P17 Nevada Ave over Stream is a concrete culvert carrying P17 Nevada Ave over Stream in Adair County, Iowa. It was built in 2004, so it is 21 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesP17 Nevada Ave
CrossesStream
Location074312902
RouteCounty Highway 0
CountyAdair County
StateIowa
Coordinates41.17978, -94.4529
Functional classRural Minor Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64 US tons
Inventory rating38.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was P17 Nevada Ave over Stream built?

It was built in 2004, making it 21 years old in 2025.

What condition is P17 Nevada 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 April 2024.

How much traffic does P17 Nevada Ave over Stream carry?

About 71 vehicles per day (2022 count).

How long is P17 Nevada Ave over Stream?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns P17 Nevada Ave over Stream?

It is owned by the County Highway Agency.