US Bridges

Ira Avenue over Stream

Good

Sac County, Iowa · 087370502 · Structure no. 000000000300181

Built
2022
3 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

Ira Avenue over Stream is a concrete culvert carrying Ira Avenue over Stream in Sac County, Iowa. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, projected to reach 40 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIra Avenue
CrossesStream
Location087370502
RouteCounty Highway 0
StateIowa
Coordinates42.37926, -95.18726
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.
Culvert9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 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 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 Ira Avenue over Stream built?

It was built in 2022, making it 3 years old in 2025.

What condition is Ira Avenue 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 August 2023.

How much traffic does Ira Avenue over Stream carry?

About 40 vehicles per day (2022 count).

How long is Ira Avenue over Stream?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Ira Avenue over Stream?

It is owned by the County Highway Agency.