US Bridges

22OTH ST over I-80 & US 6

Fair

Scott County, Iowa · 7.8 Mi. W of Jct. I-280 · Structure no. 000000000047430

Built
1958
67 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
241 ft
4 main spans
Daily traffic
60
2022 count
Owner
State
State Highway Agency

About this bridge

22OTH ST over I-80 & US 6 is a prestressed concrete stringer/multi-beam or girder carrying 22OTH ST over I-80 & US 6 in Scott County, Iowa. It was built in 1958, so it is 67 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 60 vehicles a day, projected to reach 60 by 2044. The structure is 241 ft (73.5 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
Carries22OTH ST
CrossesI-80 & US 6
Location7.8 Mi. W of Jct. I-280
RouteCounty Highway 0
CountyScott County
StateIowa
Coordinates41.62471, -90.81378
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.5 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length241 ft (73.5 m)
Longest span71 ft (21.6 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 22OTH ST over I-80 & US 6 built?

It was built in 1958, making it 67 years old in 2025.

What condition is 22OTH ST over I-80 & US 6 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 March 2024.

How much traffic does 22OTH ST over I-80 & US 6 carry?

About 60 vehicles per day (2022 count).

How long is 22OTH ST over I-80 & US 6?

The structure is 241 ft (73.5 m) long with a longest span of 71 ft (21.6 m) and a deck 28 ft wide.

Who owns 22OTH ST over I-80 & US 6?

It is owned by the State Highway Agency.