US Bridges

180th ST over East Br Indian Creek

FairPosted for load

Story County, Iowa · 084221301 · Structure no. 000000000315150

Built
1955
70 years old, rebuilt 1974
Condition
Fair
inspected December 2022
Type
Truss - Thru
Steel
Length
92 ft
1 main span
Daily traffic
41
2023 count
Owner
County
County Highway Agency

About this bridge

180th ST over East Br Indian Creek is a steel truss - thru carrying 180th ST over East Br Indian Creek in Story County, Iowa. It was built in 1955 and reconstructed in 1974, so it is 70 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. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, projected to reach 41 by 2043. The structure is 92 ft (28 m) long and 17 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries180th ST
CrossesEast Br Indian Creek
Location084221301
RouteCounty Highway 0
CountyStory County
StateIowa
Coordinates42.09226, -93.36029
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating20.9 US tons
Inventory rating14 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length92 ft (28 m)
Longest span90 ft (27.4 m)
Deck width17 ft (5.1 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2023)
Projected traffic41 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over East Br Indian Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1974.

What condition is 180th ST 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 180th ST over East Br Indian Creek carry?

About 41 vehicles per day (2023 count).

How long is 180th ST over East Br Indian Creek?

The structure is 92 ft (28 m) long with a longest span of 90 ft (27.4 m) and a deck 17 ft wide.

Who owns 180th ST over East Br Indian Creek?

It is owned by the County Highway Agency.