US Bridges

290th Street over West Tarkio Creek

Fair

Page County, Iowa · 067391601 · Structure no. 000000000265041

Built
1984
41 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
246 ft
3 main spans
Daily traffic
40
2022 count
Owner
County
County Highway Agency

About this bridge

290th Street over West Tarkio Creek is a prestressed concrete stringer/multi-beam or girder carrying 290th Street over West Tarkio Creek in Page County, Iowa. It was built in 1984, so it is 41 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 5 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 40 vehicles a day, projected to reach 40 by 2042. The structure is 246 ft (75 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries290th Street
CrossesWest Tarkio Creek
Location067391601
RouteCounty Highway 0
StateIowa
Coordinates40.62583, -95.33272
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.5 US tons
Inventory rating18.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length246 ft (75 m)
Longest span81 ft (24.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic40 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 290th Street over West Tarkio Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is 290th Street over West Tarkio 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 October 2022.

How much traffic does 290th Street over West Tarkio Creek carry?

About 40 vehicles per day (2022 count).

How long is 290th Street over West Tarkio Creek?

The structure is 246 ft (75 m) long with a longest span of 81 ft (24.7 m) and a deck 26 ft wide.

Who owns 290th Street over West Tarkio Creek?

It is owned by the County Highway Agency.