US Bridges

4th Ave SW over Small Stream

Good

Bremer County, Iowa · Int 4th AVE/3rd ST SW · Structure no. 000000000502251

Built
2015
10 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
44 ft
3 main spans
Daily traffic
283
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Ave SW over Small Stream is a concrete continuous culvert carrying 4th Ave SW over Small Stream in Bremer 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 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 283 vehicles a day, projected to reach 283 by 2042. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries4th Ave SW
CrossesSmall Stream
LocationInt 4th AVE/3rd ST SW
RouteCity Street 0
CountyBremer County
StateIowa
Coordinates42.72189, -92.47418
Functional classUrban 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 inspectionMarch 2023
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 alignment6: Equal to present minimum criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic283 (2022)
Projected traffic283 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 4th Ave SW over Small Stream built?

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

What condition is 4th Ave SW 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 March 2023.

How much traffic does 4th Ave SW over Small Stream carry?

About 283 vehicles per day (2022 count).

How long is 4th Ave SW over Small Stream?

The structure is 44 ft (13.4 m) long with a longest span of 14 ft (4.2 m).

Who owns 4th Ave SW over Small Stream?

It is owned by the City or Municipal Highway Agency.