US Bridges

North ST over Mid Tarkio Creek

FairPosted for load

Page County, Iowa · 067392303 · Structure no. 000000000008790

Built
1955
70 years old
Condition
Fair
inspected October 2022
Type
Channel Beam
Concrete
Length
92 ft
3 main spans
Daily traffic
43
2022 count
Owner
County
County Highway Agency

About this bridge

North ST over Mid Tarkio Creek is a concrete channel beam carrying North ST over Mid Tarkio Creek in Page County, Iowa. It was built in 1955, so it is 70 years old, older 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. Its operating status is: posted for load restriction.

It carries about 43 vehicles a day, projected to reach 43 by 2042. The structure is 92 ft (28 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNorth ST
CrossesMid Tarkio Creek
Location067392303
RouteCity Street 0
CountyPage County
StateIowa
Coordinates40.61059, -95.29328
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating39.2 US tons
Inventory rating23.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length92 ft (28 m)
Longest span31 ft (9.4 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2022)
Projected traffic43 by 2042
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was North ST over Mid Tarkio Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is North ST over Mid 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 North ST over Mid Tarkio Creek carry?

About 43 vehicles per day (2022 count).

How long is North ST over Mid Tarkio Creek?

The structure is 92 ft (28 m) long with a longest span of 31 ft (9.4 m) and a deck 23 ft wide.

Who owns North ST over Mid Tarkio Creek?

It is owned by the County Highway Agency.