US Bridges

Fm-Hemlock Ave over Stream

Fair

Pottawattamie County, Iowa · 000000000 · Structure no. 000000000285441

Built
2010
15 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
46 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

Fm-Hemlock Ave over Stream is a concrete stringer/multi-beam or girder carrying Fm-Hemlock Ave over Stream in Pottawattamie County, Iowa. It was built in 2010, so it is 15 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.

It carries about 34 vehicles a day, projected to reach 34 by 2043. The structure is 46 ft (14 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFm-Hemlock Ave
CrossesStream
Location000000000
RouteCounty Highway 0
StateIowa
Coordinates41.29634, -95.37617
Functional classRural Minor Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.1 US tons

Structure

MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length46 ft (14 m)
Longest span46 ft (14 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Fm-Hemlock Ave over Stream built?

It was built in 2010, making it 15 years old in 2025.

What condition is Fm-Hemlock 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 April 2024.

How much traffic does Fm-Hemlock Ave over Stream carry?

About 34 vehicles per day (2022 count).

How long is Fm-Hemlock Ave over Stream?

The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 29 ft wide.

Who owns Fm-Hemlock Ave over Stream?

It is owned by the County Highway Agency.