US Bridges

610th Ave over West Br Indian Creek

FairPosted for load

Story County, Iowa · 084232402 · Structure no. 000000000315390

Built
1911
114 years old, rebuilt 1984
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

610th Ave over West Br Indian Creek is a concrete culvert carrying 610th Ave over West Br Indian Creek in Story County, Iowa. It was built in 1911 and reconstructed in 1984, so it is 114 years old, older 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 load restriction.

It carries about 34 vehicles a day, projected to reach 34 by 2042. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries610th Ave
CrossesWest Br Indian Creek
Location084232402
RouteCounty Highway 0
CountyStory County
StateIowa
Coordinates42.06589, -93.48223
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24 US tons
Inventory rating14 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2042
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 610th Ave over West Br Indian Creek built?

It was built in 1911, making it 114 years old in 2025. It was reconstructed in 1984.

What condition is 610th Ave over West Br 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 December 2022.

How much traffic does 610th Ave over West Br Indian Creek carry?

About 34 vehicles per day (2022 count).

How long is 610th Ave over West Br Indian Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m).

Who owns 610th Ave over West Br Indian Creek?

It is owned by the County Highway Agency.