US Bridges

111th Ave over Yellow River

Good

Winneshiek County, Iowa · S of Int of Maple Valley · Structure no. 000000000345901

Built
2015
10 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

111th Ave over Yellow River is a concrete continuous slab carrying 111th Ave over Yellow River in Winneshiek County, Iowa. It was built in 2015, so it is 10 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 69 vehicles a day, projected to reach 69 by 2043. The structure is 103 ft (31.4 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries111th Ave
CrossesYellow River
LocationS of Int of Maple Valley
RouteCounty Highway 0
StateIowa
Coordinates43.13809, -91.62497
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.5 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length103 ft (31.4 m)
Longest span39 ft (11.9 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 111th Ave over Yellow River built?

It was built in 2015, making it 10 years old in 2025.

What condition is 111th Ave over Yellow River 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 April 2023.

How much traffic does 111th Ave over Yellow River carry?

About 69 vehicles per day (2022 count).

How long is 111th Ave over Yellow River?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 27 ft wide.

Who owns 111th Ave over Yellow River?

It is owned by the County Highway Agency.