US Bridges

Mm Ave over Small Stream

Good

Iowa County, Iowa · 080101804 · Structure no. 000000000190391

Built
2023
2 years old
Condition
Good
inspected April 2023
Type
Slab
Steel
Length
35 ft
1 main span
Daily traffic
46
2021 count
Owner
County
County Highway Agency

About this bridge

Mm Ave over Small Stream is a steel slab carrying Mm Ave over Small Stream in Iowa County, Iowa. It was built in 2023, so it is 2 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 46 vehicles a day, projected to reach 46 by 2043. The structure is 35 ft (10.7 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesMm Ave
CrossesSmall Stream
Location080101804
RouteCounty Highway 0
CountyIowa County
StateIowa
Coordinates41.74183, -92.05547
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating81.1 US tons

Structure

Structure typeSlab
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2021)
Projected traffic46 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mm Ave over Small Stream built?

It was built in 2023, making it 2 years old in 2025.

What condition is Mm 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 April 2023.

How much traffic does Mm Ave over Small Stream carry?

About 46 vehicles per day (2021 count).

How long is Mm Ave over Small Stream?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Mm Ave over Small Stream?

It is owned by the County Highway Agency.