US Bridges

York Ave over US 20

Fair

Buchanan County, Iowa · 1.5 MI E of Jct. Ia 187 · Structure no. 000000000016140

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
258 ft
4 main spans
Daily traffic
69
2022 count
Owner
State
State Highway Agency

About this bridge

York Ave over US 20 is a prestressed concrete stringer/multi-beam or girder carrying York Ave over US 20 in Buchanan County, Iowa. It was built in 1970, so it is 55 years old, older 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 69 vehicles a day, projected to reach 69 by 2043. The structure is 258 ft (78.6 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesYork Ave
CrossesUS 20
Location1.5 MI E of Jct. Ia 187
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.46409, -91.61719
Functional classRural Minor Collector

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 inspectionOctober 2023
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 alignment7: Better than present minimum criteria
Operating rating85.4 US tons
Inventory rating35.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length258 ft (78.6 m)
Longest span87 ft (26.5 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was York Ave over US 20 built?

It was built in 1970, making it 55 years old in 2025.

What condition is York Ave over US 20 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 October 2023.

How much traffic does York Ave over US 20 carry?

About 69 vehicles per day (2022 count).

How long is York Ave over US 20?

The structure is 258 ft (78.6 m) long with a longest span of 87 ft (26.5 m) and a deck 33 ft wide.

Who owns York Ave over US 20?

It is owned by the State Highway Agency.