US Bridges

Birch Ave over Klondike Creek

Good

Lyon County, Iowa · 099481402 · Structure no. 000000000230621

Built
2021
4 years old
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
111 ft
3 main spans
Daily traffic
103
2022 count
Owner
County
County Highway Agency

About this bridge

Birch Ave over Klondike Creek is a concrete continuous slab carrying Birch Ave over Klondike Creek in Lyon County, Iowa. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 103 vehicles a day, projected to reach 103 by 2043. The structure is 111 ft (33.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesBirch Ave
CrossesKlondike Creek
Location099481402
RouteCounty Highway 0
StateIowa
Coordinates43.39835, -96.48695
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length111 ft (33.8 m)
Longest span43 ft (13.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic103 (2022)
Projected traffic103 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Birch Ave over Klondike Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Birch Ave over Klondike 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 2023.

How much traffic does Birch Ave over Klondike Creek carry?

About 103 vehicles per day (2022 count).

How long is Birch Ave over Klondike Creek?

The structure is 111 ft (33.8 m) long with a longest span of 43 ft (13.1 m) and a deck 33 ft wide.

Who owns Birch Ave over Klondike Creek?

It is owned by the County Highway Agency.