US Bridges

Ia 22 over English River

Good

Washington County, Iowa · 2.3 Mi. W of Ia 1 · Structure no. 000000000051701

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
291 ft
3 main spans
Daily traffic
3,330
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 22 over English River is a prestressed concrete stringer/multi-beam or girder carrying Ia 22 over English River in Washington County, Iowa. It was built in 1994, so it is 31 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 3,330 vehicles a day, roughly 8% of them trucks, projected to reach 3,330 by 2044. The structure is 291 ft (88.7 m) long and 47 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIa 22
CrossesEnglish River
Location2.3 Mi. W of Ia 1
RouteState Highway 22
StateIowa
Coordinates41.48245, -91.75788
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.6 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length291 ft (88.7 m)
Longest span97 ft (29.6 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,330 (2022)
Projected traffic3,330 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

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 Ia 22 over English River built?

It was built in 1994, making it 31 years old in 2025.

What condition is Ia 22 over English River 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 March 2024.

How much traffic does Ia 22 over English River carry?

About 3,330 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 22 over English River?

The structure is 291 ft (88.7 m) long with a longest span of 97 ft (29.6 m) and a deck 47 ft wide.

Who owns Ia 22 over English River?

It is owned by the State Highway Agency.