US Bridges

US 71 & Ia 2 over West Nodaway River

Fair

Page County, Iowa · 0.3 Mi. S of N Jct. 2 · Structure no. 000000000038691

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
336 ft
3 main spans
Daily traffic
3,360
2022 count
Owner
State
State Highway Agency

About this bridge

US 71 & Ia 2 over West Nodaway River is a steel continuous stringer/multi-beam or girder carrying US 71 & Ia 2 over West Nodaway River in Page County, Iowa. It was built in 1972, so it is 53 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 3,360 vehicles a day, roughly 11% of them trucks, projected to reach 3,360 by 2044. The structure is 336 ft (102.4 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 71 & Ia 2
CrossesWest Nodaway River
Location0.3 Mi. S of N Jct. 2
RouteU.S. Route 71
StateIowa
Coordinates40.73236, -95.01281
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.4 US tons
Inventory rating39.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length336 ft (102.4 m)
Longest span96 ft (29.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,360 (2022)
Projected traffic3,360 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 71 & Ia 2 over West Nodaway River built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 71 & Ia 2 over West Nodaway 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 April 2024.

How much traffic does US 71 & Ia 2 over West Nodaway River carry?

About 3,360 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is US 71 & Ia 2 over West Nodaway River?

The structure is 336 ft (102.4 m) long with a longest span of 96 ft (29.3 m) and a deck 47 ft wide.

Who owns US 71 & Ia 2 over West Nodaway River?

It is owned by the State Highway Agency.