US Bridges

Otis RD over Indian Creek

Fair

Linn County, Iowa · 083063017 · Structure no. 000000000220871

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
228 ft
4 main spans
Daily traffic
353
2022 count
Owner
County
County Highway Agency

About this bridge

Otis RD over Indian Creek is a concrete continuous slab carrying Otis RD over Indian Creek in Linn County, Iowa. It was built in 2006, so it is 19 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 353 vehicles a day, projected to reach 353 by 2044. The structure is 228 ft (69.5 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesOtis RD
CrossesIndian Creek
Location083063017
RouteCounty Highway 0
CountyLinn County
StateIowa
Coordinates41.96727, -91.58164
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span62 ft (18.9 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic353 (2022)
Projected traffic353 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Otis RD over Indian Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Otis RD over Indian Creek 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 September 2024.

How much traffic does Otis RD over Indian Creek carry?

About 353 vehicles per day (2022 count).

How long is Otis RD over Indian Creek?

The structure is 228 ft (69.5 m) long with a longest span of 62 ft (18.9 m) and a deck 31 ft wide.

Who owns Otis RD over Indian Creek?

It is owned by the County Highway Agency.