US Bridges

Loc Union Ave over Small Stream

Good

Buchanan County, Iowa · 090070404 · Structure no. 000000000083261

Built
1988
37 years old, rebuilt 2023
Condition
Good
inspected December 2024
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Loc Union Ave over Small Stream is a steel culvert carrying Loc Union Ave over Small Stream in Buchanan County, Iowa. It was built in 1988 and reconstructed in 2023, so it is 37 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 11 vehicles a day, projected to reach 11 by 2043. The structure is 22 ft (6.7 m) long.

Location

Open in Google Maps
CarriesLoc Union Ave
CrossesSmall Stream
Location090070404
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.64066, -91.68487
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.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Loc Union Ave over Small Stream built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2023.

What condition is Loc Union Ave 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 December 2024.

How much traffic does Loc Union Ave over Small Stream carry?

About 11 vehicles per day (2022 count).

How long is Loc Union Ave over Small Stream?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Loc Union Ave over Small Stream?

It is owned by the County Highway Agency.