US Bridges

Calhoun Ave over Stream

Good

Wright County, Iowa · 091261606 · Structure no. 000000000357791

Built
2015
10 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

Calhoun Ave over Stream is a concrete continuous culvert carrying Calhoun Ave over Stream in Wright County, Iowa. It was built in 2015, so it is 10 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 71 vehicles a day, projected to reach 71 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCalhoun Ave
CrossesStream
Location091261606
RouteCounty Highway 0
StateIowa
Coordinates42.68883, -93.93085
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.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.7 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 2044
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Calhoun Ave over Stream built?

It was built in 2015, making it 10 years old in 2025.

What condition is Calhoun 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 March 2024.

How much traffic does Calhoun Ave over Stream carry?

About 71 vehicles per day (2022 count).

How long is Calhoun Ave over Stream?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Calhoun Ave over Stream?

It is owned by the County Highway Agency.