US Bridges

US 71 over Stream

Good

Page County, Iowa · 1.1 Mi. N of Jct. SR J-64 · Structure no. 000000000038640

Built
1972
53 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
2,170
2022 count
Owner
State
State Highway Agency

About this bridge

US 71 over Stream is a concrete continuous culvert carrying US 71 over Stream 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,170 vehicles a day, roughly 16% of them trucks, projected to reach 2,170 by 2043. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS 71
CrossesStream
Location1.1 Mi. N of Jct. SR J-64
RouteU.S. Route 71
StateIowa
Coordinates40.60945, -95.03039
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,170 (2022)
Projected traffic2,170 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 over Stream built?

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

What condition is US 71 over Stream in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does US 71 over Stream carry?

About 2,170 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US 71 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns US 71 over Stream?

It is owned by the State Highway Agency.