US Bridges

K30 Dove Ave over Sykes Creek

Good

Lyon County, Iowa · 099470104 · Structure no. 000000000230371

Built
2019
6 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
450
2022 count
Owner
County
County Highway Agency

About this bridge

K30 Dove Ave over Sykes Creek is a concrete continuous slab carrying K30 Dove Ave over Sykes Creek in Lyon County, Iowa. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, projected to reach 450 by 2043. The structure is 101 ft (30.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesK30 Dove Ave
CrossesSykes Creek
Location099470104
RouteCounty Highway 0
CountyLyon County
StateIowa
Coordinates43.43277, -96.33222
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span39 ft (11.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2022)
Projected traffic450 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was K30 Dove Ave over Sykes Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is K30 Dove Ave over Sykes Creek 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 July 2022.

How much traffic does K30 Dove Ave over Sykes Creek carry?

About 450 vehicles per day (2022 count).

How long is K30 Dove Ave over Sykes Creek?

The structure is 101 ft (30.8 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns K30 Dove Ave over Sykes Creek?

It is owned by the County Highway Agency.