US Bridges

FM 220th Ave over Dd #7

Good

Kossuth County, Iowa · 099271502 · Structure no. 000000000216841

Built
1998
27 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
159
2021 count
Owner
County
County Highway Agency

About this bridge

FM 220th Ave over Dd #7 is a concrete culvert carrying FM 220th Ave over Dd #7 in Kossuth County, Iowa. It was built in 1998, so it is 27 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 159 vehicles a day, roughly 36% of them trucks, projected to reach 159 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 220th Ave
CrossesDd #7
Location099271502
RouteCounty Highway 0
StateIowa
Coordinates43.39784, -94.03017
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating81 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2021)
Projected traffic159 by 2043
Trucks36%
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 FM 220th Ave over Dd #7 built?

It was built in 1998, making it 27 years old in 2025.

What condition is FM 220th Ave over Dd #7 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 2023.

How much traffic does FM 220th Ave over Dd #7 carry?

About 159 vehicles per day (2021 count), of which roughly 36% are trucks.

How long is FM 220th Ave over Dd #7?

The structure is 28 ft (8.5 m) long with a longest span of 14 ft (4.3 m).

Who owns FM 220th Ave over Dd #7?

It is owned by the County Highway Agency.