US Bridges

Local over Lake Channel

Good

Dickinson County, Iowa · 099362904 · Structure no. 000000000145121

Built
2010
15 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
113 ft
3 main spans
Daily traffic
1,120
2021 count
Owner
County
County Highway Agency

About this bridge

Local over Lake Channel is a concrete continuous slab carrying Local over Lake Channel in Dickinson 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,120 vehicles a day, projected to reach 1,120 by 2043. The structure is 113 ft (34.4 m) long and 43 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesLocal
CrossesLake Channel
Location099362904
RouteCity Street 0
CountyDickinson County
StateIowa
Coordinates43.36395, -95.12517
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length113 ft (34.4 m)
Longest span43 ft (13.1 m)
Deck width43 ft (13.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2021)
Projected traffic1,120 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Lake Channel built?

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

What condition is Local over Lake Channel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does Local over Lake Channel carry?

About 1,120 vehicles per day (2021 count).

How long is Local over Lake Channel?

The structure is 113 ft (34.4 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns Local over Lake Channel?

It is owned by the County Highway Agency.