US Bridges

Orange Avenue over Small Stream

Good

Washington County, Iowa · 077071708 · Structure no. 000000000337561

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
26 ft
1 main span
Daily traffic
131
2022 count
Owner
County
County Highway Agency

About this bridge

Orange Avenue over Small Stream is a aluminum, wrought iron, or cast iron culvert carrying Orange Avenue over Small Stream in Washington 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 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 131 vehicles a day, projected to reach 131 by 2044. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesOrange Avenue
CrossesSmall Stream
Location077071708
RouteCounty Highway 0
StateIowa
Coordinates41.47664, -91.6806
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
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 rating47.3 US tons
Inventory rating36.5 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131 (2022)
Projected traffic131 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Orange Avenue over Small Stream built?

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

What condition is Orange Avenue 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 Orange Avenue over Small Stream carry?

About 131 vehicles per day (2022 count).

How long is Orange Avenue over Small Stream?

The structure is 26 ft (7.9 m) long with a longest span of 20 ft (6.1 m).

Who owns Orange Avenue over Small Stream?

It is owned by the County Highway Agency.