US Bridges

B66 290th ST over Spring Creek

Good

Chickasaw County, Iowa · 094112601 · Structure no. 000000000110222

Built
2019
6 years old
Condition
Good
inspected March 2022
Type
Culvert
Steel
Length
48 ft
4 main spans
Daily traffic
5
2022 count
Owner
County
County Highway Agency

About this bridge

B66 290th ST over Spring Creek is a steel culvert carrying B66 290th ST over Spring Creek in Chickasaw County, Iowa. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 5 by 2043. The structure is 48 ft (14.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesB66 290th ST
CrossesSpring Creek
Location094112601
RouteCounty Highway 0
CountyChickasaw County
StateIowa
Coordinates42.93595, -92.11953
Functional classRural Minor Collector

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.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadUnknown
Structure length48 ft (14.6 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 traffic5 (2022)
Projected traffic5 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 B66 290th ST over Spring Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is B66 290th ST over Spring 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 March 2022.

How much traffic does B66 290th ST over Spring Creek carry?

About 5 vehicles per day (2022 count).

How long is B66 290th ST over Spring Creek?

The structure is 48 ft (14.6 m) long with a longest span of 10 ft (3 m).

Who owns B66 290th ST over Spring Creek?

It is owned by the County Highway Agency.