US Bridges

Local over Lake Ck

PoorPosted for load

Calhoun County, Iowa · 086330702 · Structure no. 000000000090580

Built
1931
94 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
110 ft
3 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Lake Ck is a steel stringer/multi-beam or girder carrying Local over Lake Ck in Calhoun County, Iowa. It was built in 1931, so it is 94 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 110 ft (33.5 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLocal
CrossesLake Ck
Location086330702
RouteCounty Highway 0
CountyCalhoun County
StateIowa
Coordinates42.28119, -94.7451
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29.9 US tons
Inventory rating15.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length110 ft (33.5 m)
Longest span53 ft (16.2 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Lake Ck built?

It was built in 1931, making it 94 years old in 2025.

What condition is Local over Lake Ck 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 July 2023.

How much traffic does Local over Lake Ck carry?

About 60 vehicles per day (2022 count).

How long is Local over Lake Ck?

The structure is 110 ft (33.5 m) long with a longest span of 53 ft (16.2 m) and a deck 19 ft wide.

Who owns Local over Lake Ck?

It is owned by the County Highway Agency.