US Bridges

Pole Line RD over Small Stream

Fair

Winneshiek County, Iowa · 099092904 · Structure no. 000000000348925

Built
1950
75 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
344
2022 count
Owner
County
County Highway Agency

About this bridge

Pole Line RD over Small Stream is a concrete continuous culvert carrying Pole Line RD over Small Stream in Winneshiek County, Iowa. It was built in 1950, so it is 75 years old, older 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 344 vehicles a day, roughly 9% of them trucks, projected to reach 344 by 2043. The structure is 26 ft (7.9 m) long.

CarriesPole Line RD
CrossesSmall Stream
Location099092904
RouteCounty Highway 0
StateIowa
Coordinates43.36688, -91.94859
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2022)
Projected traffic344 by 2043
Trucks9%
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 Pole Line RD over Small Stream built?

It was built in 1950, making it 75 years old in 2025.

What condition is Pole Line RD over Small 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 2023.

How much traffic does Pole Line RD over Small Stream carry?

About 344 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Pole Line RD over Small Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Pole Line RD over Small Stream?

It is owned by the County Highway Agency.