US Bridges

Naples Ave over Hoosier CR

Good

Johnson County, Iowa · 081060504 · Structure no. 000000000205461

Built
2000
25 years old
Condition
Good
inspected April 2021
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

Naples Ave over Hoosier CR is a concrete continuous culvert carrying Naples Ave over Hoosier CR in Johnson County, Iowa. It was built in 2000, so it is 25 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 39 vehicles a day, roughly 18% of them trucks, projected to reach 39 by 2043. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNaples Ave
CrossesHoosier CR
Location081060504
RouteCounty Highway 0
CountyJohnson County
StateIowa
Coordinates41.8573, -91.57921
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length22 ft (6.7 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 traffic39 (2022)
Projected traffic39 by 2043
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Naples Ave over Hoosier CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is Naples Ave over Hoosier CR 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 2021.

How much traffic does Naples Ave over Hoosier CR carry?

About 39 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is Naples Ave over Hoosier CR?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Naples Ave over Hoosier CR?

It is owned by the County Highway Agency.