US Bridges

Whiskey Ridge RD over Middle Avery Creek

Good

Wapello County, Iowa · 072150607 · Structure no. 000000000331552

Built
2023
2 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
141 ft
3 main spans
Daily traffic
73
2022 count
Owner
County
County Highway Agency

About this bridge

Whiskey Ridge RD over Middle Avery Creek is a concrete continuous slab carrying Whiskey Ridge RD over Middle Avery Creek in Wapello County, Iowa. It was built in 2023, so it is 2 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 73 vehicles a day, projected to reach 73 by 2044. The structure is 141 ft (43 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWhiskey Ridge RD
CrossesMiddle Avery Creek
Location072150607
RouteCounty Highway 0
StateIowa
Coordinates41.06322, -92.63248
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length141 ft (43 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73 (2022)
Projected traffic73 by 2044
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$30,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Whiskey Ridge RD over Middle Avery Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Whiskey Ridge RD over Middle Avery 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 May 2024.

How much traffic does Whiskey Ridge RD over Middle Avery Creek carry?

About 73 vehicles per day (2022 count).

How long is Whiskey Ridge RD over Middle Avery Creek?

The structure is 141 ft (43 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns Whiskey Ridge RD over Middle Avery Creek?

It is owned by the County Highway Agency.