US Bridges

190th Street over West Tarkio Creek

Poor

Page County, Iowa · 069382001 · Structure no. 000000000267030

Built
1958
67 years old
Condition
Poor
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
3 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

190th Street over West Tarkio Creek is a steel stringer/multi-beam or girder carrying 190th Street over West Tarkio Creek in Page County, Iowa. It was built in 1958, so it is 67 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 71 vehicles a day, roughly 24% of them trucks, projected to reach 71 by 2042. The structure is 130 ft (39.6 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries190th Street
CrossesWest Tarkio Creek
Location069382001
RouteCounty Highway 0
StateIowa
Coordinates40.77148, -95.2481
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating17.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length130 ft (39.6 m)
Longest span43 ft (13.1 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2042
Trucks24%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 190th Street over West Tarkio Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is 190th Street over West Tarkio Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2022.

How much traffic does 190th Street over West Tarkio Creek carry?

About 71 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is 190th Street over West Tarkio Creek?

The structure is 130 ft (39.6 m) long with a longest span of 43 ft (13.1 m) and a deck 22 ft wide.

Who owns 190th Street over West Tarkio Creek?

It is owned by the County Highway Agency.