US Bridges

US 218 over Stream

Good

Floyd County, Iowa · 5.1 Miles S of Jct. Ia 14 · Structure no. 000000000607560

Built
1998
27 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
10,000
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 Floyd County, Iowa. It was built in 1998, so it is 27 years old, younger 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 10,000 vehicles a day, roughly 27% of them trucks, projected to reach 10,000 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 218
CrossesStream
Location5.1 Miles S of Jct. Ia 14
RouteU.S. Route 218
StateIowa
Coordinates43.02881, -92.64982
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 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 traffic10,000 (2022)
Projected traffic10,000 by 2043
Trucks27%
Lanes on structure4
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 1998, making it 27 years old in 2025.

What condition is US 218 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 September 2023.

How much traffic does US 218 over Stream carry?

About 10,000 vehicles per day (2022 count), of which roughly 27% are trucks.

How long is US 218 over Stream?

The structure is 25 ft (7.6 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.