US Bridges

107th Ave over Yellow River

Good

Winneshiek County, Iowa · 0.1 MI S of Maple Valley · Structure no. 000000000345921

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
29
2022 count
Owner
County
County Highway Agency

About this bridge

107th Ave over Yellow River is a concrete continuous slab carrying 107th Ave over Yellow River in Winneshiek County, Iowa. It was built in 2018, so it is 7 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 29 vehicles a day, projected to reach 29 by 2043. The structure is 100 ft (30.5 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries107th Ave
CrossesYellow River
Location0.1 MI S of Maple Valley
RouteCounty Highway 0
StateIowa
Coordinates43.13854, -91.61129
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length100 ft (30.5 m)
Longest span40 ft (12.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29 (2022)
Projected traffic29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 107th Ave over Yellow River built?

It was built in 2018, making it 7 years old in 2025.

What condition is 107th 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 March 2023.

How much traffic does 107th Ave over Yellow River carry?

About 29 vehicles per day (2022 count).

How long is 107th Ave over Yellow River?

The structure is 100 ft (30.5 m) long with a longest span of 40 ft (12.2 m) and a deck 27 ft wide.

Who owns 107th Ave over Yellow River?

It is owned by the County Highway Agency.