US Bridges

US 34 over Stream

Fair

Monroe County, Iowa · 5.9 Mi. E of Iowa 5 · Structure no. 000000000037410

Built
1962
63 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
3,900
2022 count
Owner
State
State Highway Agency

About this bridge

US 34 over Stream is a concrete continuous culvert carrying US 34 over Stream in Monroe County, Iowa. It was built in 1962, so it is 63 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 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 3,900 vehicles a day, roughly 15% of them trucks, projected to reach 3,900 by 2043. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 34
CrossesStream
Location5.9 Mi. E of Iowa 5
RouteU.S. Route 34
CountyMonroe County
StateIowa
Coordinates41.01595, -92.69898
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length28 ft (8.5 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 traffic3,900 (2022)
Projected traffic3,900 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 34 over Stream built?

It was built in 1962, making it 63 years old in 2025.

What condition is US 34 over Stream 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 August 2023.

How much traffic does US 34 over Stream carry?

About 3,900 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US 34 over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns US 34 over Stream?

It is owned by the State Highway Agency.