US Bridges

Y4E 130th Ave over Overflow Structure

Good

Clinton County, Iowa · 081E11507 · Structure no. 000000000366020

Built
2014
11 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
1,060
2022 count
Owner
County
County Highway Agency

About this bridge

Y4E 130th Ave over Overflow Structure is a concrete continuous culvert carrying Y4E 130th Ave over Overflow Structure in Clinton County, Iowa. It was built in 2014, so it is 11 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 1,060 vehicles a day, roughly 13% of them trucks, projected to reach 1,060 by 2043. The structure is 39 ft (11.9 m) long and 44 ft wide.

CarriesY4E 130th Ave
CrossesOverflow Structure
Location081E11507
RouteCounty Highway 0
StateIowa
Coordinates41.82216, -90.84037
Functional classRural Major 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 protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating49.3 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,060 (2022)
Projected traffic1,060 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Y4E 130th Ave over Overflow Structure built?

It was built in 2014, making it 11 years old in 2025.

What condition is Y4E 130th Ave over Overflow Structure 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 February 2021.

How much traffic does Y4E 130th Ave over Overflow Structure carry?

About 1,060 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Y4E 130th Ave over Overflow Structure?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m) and a deck 44 ft wide.

Who owns Y4E 130th Ave over Overflow Structure?

It is owned by the County Highway Agency.