US Bridges

Otter Ave over Plymouth Creek

Good

Plymouth County, Iowa · 9244290210 · Structure no. 000000000274501

Built
2016
9 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
34
2021 count
Owner
County
County Highway Agency

About this bridge

Otter Ave over Plymouth Creek is a concrete culvert carrying Otter Ave over Plymouth Creek in Plymouth County, Iowa. It was built in 2016, so it is 9 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 34 vehicles a day, projected to reach 34 by 2044. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOtter Ave
CrossesPlymouth Creek
Location9244290210
RouteCounty Highway 0
CountyPlymouth County
StateIowa
Coordinates42.7508, -96.0772
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (6.9 m)
Longest span23 ft (6.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2021)
Projected traffic34 by 2044
Trucks0%
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 Otter Ave over Plymouth Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Otter Ave over Plymouth Creek 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 Otter Ave over Plymouth Creek carry?

About 34 vehicles per day (2021 count).

How long is Otter Ave over Plymouth Creek?

The structure is 23 ft (6.9 m) long with a longest span of 23 ft (6.9 m).

Who owns Otter Ave over Plymouth Creek?

It is owned by the County Highway Agency.