US Bridges

B Avenue over West Tarkio Creek

Fair

Page County, Iowa · 067392902 · Structure no. 000000000265201

Built
1995
30 years old
Condition
Fair
inspected October 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
201 ft
3 main spans
Daily traffic
26
2022 count
Owner
County
County Highway Agency

About this bridge

B Avenue over West Tarkio Creek is a steel stringer/multi-beam or girder carrying B Avenue over West Tarkio Creek in Page County, Iowa. It was built in 1995, so it is 30 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 26 vehicles a day, projected to reach 26 by 2042. The structure is 201 ft (61.3 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesB Avenue
CrossesWest Tarkio Creek
Location067392902
RouteCounty Highway 0
CountyPage County
StateIowa
Coordinates40.58583, -95.35394
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating31.7 US tons
Inventory rating22.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans3
Design loadUnknown
Structure length201 ft (61.3 m)
Longest span79 ft (24.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26 (2022)
Projected traffic26 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was B Avenue over West Tarkio Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is B Avenue 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 B Avenue over West Tarkio Creek carry?

About 26 vehicles per day (2022 count).

How long is B Avenue over West Tarkio Creek?

The structure is 201 ft (61.3 m) long with a longest span of 79 ft (24.1 m) and a deck 24 ft wide.

Who owns B Avenue over West Tarkio Creek?

It is owned by the County Highway Agency.