US Bridges

I 74 & US 6 WB over US 67 Dme RR City Sts

Good

Scott County, Iowa · 4.3 Mi. S of Jct. I-80 · Structure no. 000000000604071

Built
2019
6 years old
Condition
Good
inspected December 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,280 ft
16 main spans
Daily traffic
28,250
2022 count
Owner
State
State Highway Agency

About this bridge

I 74 & US 6 WB over US 67 Dme RR City Sts is a steel continuous stringer/multi-beam or girder carrying I 74 & US 6 WB over US 67 Dme RR City Sts in Scott County, Iowa. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,250 vehicles a day, roughly 4% of them trucks, projected to reach 28,250 by 2042. The structure is 2,280 ft (694.8 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 74 & US 6 WB
CrossesUS 67 Dme RR City Sts
Location4.3 Mi. S of Jct. I-80
RouteInterstate 74
CountyScott County
StateIowa
Coordinates41.52234, -90.51206
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans16
Design loadHL 93
Structure length2,280 ft (694.8 m)
Longest span173 ft (52.6 m)
Deck width62 ft (18.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,250 (2022)
Projected traffic28,250 by 2042
Trucks4%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 74 & US 6 WB over US 67 Dme RR City Sts built?

It was built in 2019, making it 6 years old in 2025.

What condition is I 74 & US 6 WB over US 67 Dme RR City Sts 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 December 2022.

How much traffic does I 74 & US 6 WB over US 67 Dme RR City Sts carry?

About 28,250 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is I 74 & US 6 WB over US 67 Dme RR City Sts?

The structure is 2,280 ft (694.8 m) long with a longest span of 173 ft (52.6 m) and a deck 62 ft wide.

Who owns I 74 & US 6 WB over US 67 Dme RR City Sts?

It is owned by the State Highway Agency.