US Bridges

650th Ave over East Br Indian Creek

Fair

Story County, Iowa · 083223404 · Structure no. 000000000314671

Built
1976
49 years old
Condition
Fair
inspected December 2022
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
1,228
2022 count
Owner
County
County Highway Agency

About this bridge

650th Ave over East Br Indian Creek is a concrete continuous slab carrying 650th Ave over East Br Indian Creek in Story County, Iowa. It was built in 1976, so it is 49 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 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 1,228 vehicles a day, roughly 8% of them trucks, projected to reach 1,228 by 2043. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
Carries650th Ave
CrossesEast Br Indian Creek
Location083223404
RouteCounty Highway 0
CountyStory County
StateIowa
Coordinates41.95201, -93.40588
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.4 US tons
Inventory rating33.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,228 (2022)
Projected traffic1,228 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 650th Ave over East Br Indian Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is 650th Ave over East 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 650th Ave over East Br Indian Creek carry?

About 1,228 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is 650th Ave over East Br Indian Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns 650th Ave over East Br Indian Creek?

It is owned by the County Highway Agency.