US Bridges

Local Road over Canoe Creek

PoorPosted for load

Winneshiek County, Iowa · 099073304 · Structure no. 000000000348390

Built
1908
117 years old
Condition
Poor
inspected March 2024
Type
Truss - Thru
Steel
Length
154 ft
1 main span
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

Local Road over Canoe Creek is a steel truss - thru carrying Local Road over Canoe Creek in Winneshiek County, Iowa. It was built in 1908, so it is 117 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 49 vehicles a day, projected to reach 49 by 2044. The structure is 154 ft (46.9 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLocal Road
CrossesCanoe Creek
Location099073304
RouteCounty Highway 0
StateIowa
Coordinates43.35445, -91.67601
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating13.4 US tons
Inventory rating8.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length154 ft (46.9 m)
Longest span150 ft (45.7 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deck20 ft (6.2 m)

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local Road over Canoe Creek built?

It was built in 1908, making it 117 years old in 2025.

What condition is Local Road over Canoe Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does Local Road over Canoe Creek carry?

About 49 vehicles per day (2022 count).

How long is Local Road over Canoe Creek?

The structure is 154 ft (46.9 m) long with a longest span of 150 ft (45.7 m) and a deck 16 ft wide.

Who owns Local Road over Canoe Creek?

It is owned by the County Highway Agency.