US Bridges

290th ST over Stoney Creek

Fair

Clay County, Iowa · 097381401 · Structure no. 000000000117721

Built
2004
21 years old
Condition
Fair
inspected December 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
68 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

290th ST over Stoney Creek is a prestressed concrete stringer/multi-beam or girder carrying 290th ST over Stoney Creek in Clay County, Iowa. It was built in 2004, so it is 21 years old, younger 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 15 vehicles a day, projected to reach 15 by 2043. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries290th ST
CrossesStoney Creek
Location097381401
RouteCounty Highway 0
StateIowa
Coordinates43.22699, -95.30389
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating36.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span46 ft (14 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2043
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 290th ST over Stoney Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is 290th ST over Stoney 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 290th ST over Stoney Creek carry?

About 15 vehicles per day (2022 count).

How long is 290th ST over Stoney Creek?

The structure is 68 ft (20.7 m) long with a longest span of 46 ft (14 m) and a deck 31 ft wide.

Who owns 290th ST over Stoney Creek?

It is owned by the County Highway Agency.