US Bridges

US 20 EB US 52 SB over Y 17 (epworth)

Fair

Dubuque County, Iowa · At Jct. of SR Y17 · Structure no. 000000000605855

Built
1988
37 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
171 ft
3 main spans
Daily traffic
6,750
2022 count
Owner
State
State Highway Agency

About this bridge

US 20 EB US 52 SB over Y 17 (epworth) is a prestressed concrete stringer/multi-beam or girder carrying US 20 EB US 52 SB over Y 17 (epworth) in Dubuque County, Iowa. It was built in 1988, so it is 37 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 6,750 vehicles a day, roughly 18% of them trucks, projected to reach 6,750 by 2044. The structure is 171 ft (52.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 20 EB US 52 SB
CrossesY 17 (epworth)
LocationAt Jct. of SR Y17
RouteU.S. Route 20
StateIowa
Coordinates42.43923, -90.93225
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.6 US tons
Inventory rating43.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span77 ft (23.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2022)
Projected traffic6,750 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 20 EB US 52 SB over Y 17 (epworth) built?

It was built in 1988, making it 37 years old in 2025.

What condition is US 20 EB US 52 SB over Y 17 (epworth) 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 2024.

How much traffic does US 20 EB US 52 SB over Y 17 (epworth) carry?

About 6,750 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 20 EB US 52 SB over Y 17 (epworth)?

The structure is 171 ft (52.1 m) long with a longest span of 77 ft (23.5 m) and a deck 43 ft wide.

Who owns US 20 EB US 52 SB over Y 17 (epworth)?

It is owned by the State Highway Agency.