US Bridges

Minnesota Ave over Stream

Fair

Woodbury County, Iowa · 088430406 · Structure no. 000000000366980

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
42 ft
2 main spans
Daily traffic
10
2023 count
Owner
County
County Highway Agency

About this bridge

Minnesota Ave over Stream is a wood or timber stringer/multi-beam or girder carrying Minnesota Ave over Stream in Woodbury County, Iowa. It was built in 1989, so it is 36 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: open, posting recommended but not legally implemented.

It carries about 10 vehicles a day, projected to reach 10 by 2043. The structure is 42 ft (12.8 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMinnesota Ave
CrossesStream
Location088430406
RouteCounty Highway 0
StateIowa
Coordinates42.47389, -95.85948
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.1 US tons
Inventory rating27.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Minnesota Ave over Stream built?

It was built in 1989, making it 36 years old in 2025.

What condition is Minnesota Ave over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Minnesota Ave over Stream carry?

About 10 vehicles per day (2023 count).

How long is Minnesota Ave over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns Minnesota Ave over Stream?

It is owned by the County Highway Agency.