US Bridges

Hackberry Ave over Tarkio River

Fair

Page County, Iowa · 067380806 · Structure no. 000000000264625

Built
1975
50 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
324 ft
3 main spans
Daily traffic
199
2022 count
Owner
County
County Highway Agency

About this bridge

Hackberry Ave over Tarkio River is a steel continuous stringer/multi-beam or girder carrying Hackberry Ave over Tarkio River in Page County, Iowa. It was built in 1975, so it is 50 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.

It carries about 199 vehicles a day, roughly 9% of them trucks, projected to reach 199 by 2042. The structure is 324 ft (98.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesHackberry Ave
CrossesTarkio River
Location067380806
RouteCounty Highway 0
CountyPage County
StateIowa
Coordinates40.63513, -95.22667
Functional classRural Major 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 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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length324 ft (98.8 m)
Longest span125 ft (38.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic199 (2022)
Projected traffic199 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Hackberry Ave over Tarkio River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Hackberry Ave over Tarkio River 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 Hackberry Ave over Tarkio River carry?

About 199 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Hackberry Ave over Tarkio River?

The structure is 324 ft (98.8 m) long with a longest span of 125 ft (38.1 m) and a deck 32 ft wide.

Who owns Hackberry Ave over Tarkio River?

It is owned by the County Highway Agency.