US Bridges

Otter Ave over Stream

Good

Sac County, Iowa · 088362004 · Structure no. 000000000300881

Built
2019
6 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
40 ft
1 main span
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

Otter Ave over Stream is a concrete slab carrying Otter Ave over Stream in Sac County, Iowa. It was built in 2019, so it is 6 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 71 vehicles a day, projected to reach 71 by 2043. The structure is 40 ft (12.2 m) long and 29 ft wide.

Location

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CarriesOtter Ave
CrossesStream
Location088362004
RouteCounty Highway 0
CountySac County
StateIowa
Coordinates42.41946, -95.07143
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 inspectionAugust 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 rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span39 ft (11.9 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2043
Trucks0%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Otter Ave over Stream built?

It was built in 2019, making it 6 years old in 2025.

What condition is Otter Ave over Stream 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 August 2023.

How much traffic does Otter Ave over Stream carry?

About 71 vehicles per day (2022 count).

How long is Otter Ave over Stream?

The structure is 40 ft (12.2 m) long with a longest span of 39 ft (11.9 m) and a deck 29 ft wide.

Who owns Otter Ave over Stream?

It is owned by the County Highway Agency.