US Bridges

Otter Ave over Deep Creek

Good

Plymouth County, Iowa · 092440502 · Structure no. 000000000274281

Built
2007
18 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
146 ft
4 main spans
Daily traffic
100
2021 count
Owner
County
County Highway Agency

About this bridge

Otter Ave over Deep Creek is a concrete continuous slab carrying Otter Ave over Deep Creek in Plymouth County, Iowa. It was built in 2007, so it is 18 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 100 vehicles a day, projected to reach 100 by 2044. The structure is 146 ft (44.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOtter Ave
CrossesDeep Creek
Location092440502
RouteCounty Highway 0
StateIowa
Coordinates42.82188, -96.07569
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 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
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span44 ft (13.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic100 by 2044
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Otter Ave over Deep Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Otter Ave over Deep 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 Deep Creek carry?

About 100 vehicles per day (2021 count).

How long is Otter Ave over Deep Creek?

The structure is 146 ft (44.5 m) long with a longest span of 44 ft (13.4 m) and a deck 30 ft wide.

Who owns Otter Ave over Deep Creek?

It is owned by the County Highway Agency.