US Bridges

2nd Ave over Otter Creek

Poor

Osceola County, Iowa · 000600150 · Structure no. 000000000038560

Built
1971
54 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
1,501
2022 count
Owner
County
County Highway Agency

About this bridge

2nd Ave over Otter Creek is a concrete continuous slab carrying 2nd Ave over Otter Creek in Osceola County, Iowa. It was built in 1971, so it is 54 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,501 vehicles a day, roughly 5% of them trucks, projected to reach 1,501 by 2044. The structure is 123 ft (37.5 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries2nd Ave
CrossesOtter Creek
Location000600150
RouteCity Street 0
StateIowa
Coordinates43.39381, -95.75267
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span47 ft (14.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,501 (2022)
Projected traffic1,501 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 2nd Ave over Otter Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 2nd Ave over Otter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does 2nd Ave over Otter Creek carry?

About 1,501 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is 2nd Ave over Otter Creek?

The structure is 123 ft (37.5 m) long with a longest span of 47 ft (14.3 m) and a deck 47 ft wide.

Who owns 2nd Ave over Otter Creek?

It is owned by the County Highway Agency.