US Bridges

US 218 over Stream

Fair

Washington County, Iowa · 1.8 Mi. S 0F JCT Ia 22 · Structure no. 000000000605585

Built
1984
41 years old, rebuilt 1995
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
14,900
2022 count
Owner
State
State Highway Agency

About this bridge

US 218 over Stream is a concrete continuous culvert carrying US 218 over Stream in Washington County, Iowa. It was built in 1984 and reconstructed in 1995, so it is 41 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 14,900 vehicles a day, roughly 19% of them trucks, projected to reach 14,900 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 218
CrossesStream
Location1.8 Mi. S 0F JCT Ia 22
RouteU.S. Route 218
CountyWashington County
StateIowa
Coordinates41.46014, -91.54915
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.8 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 traffic14,900 (2022)
Projected traffic14,900 by 2043
Trucks19%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 218 over Stream built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1995.

What condition is US 218 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 May 2023.

How much traffic does US 218 over Stream carry?

About 14,900 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is US 218 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).

Who owns US 218 over Stream?

It is owned by the State Highway Agency.