US Bridges

Indiana Ave over Otter CR

FairPosted for load

Buchanan County, Iowa · 090092804 · Structure no. 000000000084011

Built
2010
15 years old
Condition
Fair
inspected December 2024
Type
Other
Steel
Length
67 ft
1 main span
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Indiana Ave over Otter CR is a steel other carrying Indiana Ave over Otter CR in Buchanan County, Iowa. It was built in 2010, so it is 15 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 62 vehicles a day, projected to reach 62 by 2043. The structure is 67 ft (20.4 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIndiana Ave
CrossesOtter CR
Location090092804
RouteCounty Highway 0
StateIowa
Coordinates42.57138, -91.92444
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadOther
Structure length67 ft (20.4 m)
Longest span67 ft (20.3 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic62 by 2043
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 Indiana Ave over Otter CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Indiana Ave over Otter CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does Indiana Ave over Otter CR carry?

About 62 vehicles per day (2022 count).

How long is Indiana Ave over Otter CR?

The structure is 67 ft (20.4 m) long with a longest span of 67 ft (20.3 m) and a deck 19 ft wide.

Who owns Indiana Ave over Otter CR?

It is owned by the County Highway Agency.