US Bridges

180th ST over Creek

Good

Bremer County, Iowa · 092121701 · Structure no. 000000000079511

Built
2015
10 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
49
2022 count
Owner
County
County Highway Agency

About this bridge

180th ST over Creek is a concrete continuous culvert carrying 180th ST over Creek in Bremer County, Iowa. It was built in 2015, so it is 10 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries180th ST
CrossesCreek
Location092121701
RouteCounty Highway 0
StateIowa
Coordinates42.78789, -92.28007
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating37.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2022)
Projected traffic49 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 180th ST over Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is 180th ST over Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does 180th ST over Creek carry?

About 49 vehicles per day (2022 count).

How long is 180th ST over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns 180th ST over Creek?

It is owned by the County Highway Agency.