US Bridges

FM 220th Ave over Middle Branch Blue Earth

Good

Kossuth County, Iowa · 099271002 · Structure no. 000000000216811

Built
2011
14 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
159
2022 count
Owner
County
County Highway Agency

About this bridge

FM 220th Ave over Middle Branch Blue Earth is a concrete continuous slab carrying FM 220th Ave over Middle Branch Blue Earth in Kossuth County, Iowa. It was built in 2011, so it is 14 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 101 ft (30.8 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesFM 220th Ave
CrossesMiddle Branch Blue Earth
Location099271002
RouteCounty Highway 0
StateIowa
Coordinates43.40929, -94.03012
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable 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 (10.2 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2022)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM 220th Ave over Middle Branch Blue Earth built?

It was built in 2011, making it 14 years old in 2025.

What condition is FM 220th Ave over Middle Branch Blue Earth 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 Middle Branch Blue Earth carry?

About 159 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is FM 220th Ave over Middle Branch Blue Earth?

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 FM 220th Ave over Middle Branch Blue Earth?

It is owned by the County Highway Agency.