US Bridges

US 218 SB over English River

Fair

Washington County, Iowa · 0.6 Mi. S of Jct. Ia 22 · Structure no. 000000000605590

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
459 ft
5 main spans
Daily traffic
7,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 218 SB over English River is a prestressed concrete stringer/multi-beam or girder carrying US 218 SB over English River in Washington County, Iowa. It was built in 1984, 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 7,600 vehicles a day, roughly 19% of them trucks, projected to reach 7,600 by 2043. The structure is 459 ft (139.9 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 218 SB
CrossesEnglish River
Location0.6 Mi. S of Jct. Ia 22
RouteU.S. Route 218
CountyWashington County
StateIowa
Coordinates41.47876, -91.55089
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.2 US tons
Inventory rating38.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length459 ft (139.9 m)
Longest span92 ft (28 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic7,600 by 2043
Trucks19%
Lanes on structure2
Traffic directionOne-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 SB over English River built?

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

What condition is US 218 SB over English 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 August 2023.

How much traffic does US 218 SB over English River carry?

About 7,600 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is US 218 SB over English River?

The structure is 459 ft (139.9 m) long with a longest span of 92 ft (28 m) and a deck 47 ft wide.

Who owns US 218 SB over English River?

It is owned by the State Highway Agency.