US Bridges

I 74 WB Ramp over Dme RR & Bike Trail

Good

Scott County, Iowa · 4.3 Mi. S of Jct. I-80 · Structure no. 000000000605981

Built
2020
5 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
519 ft
4 main spans
Daily traffic
9,800
2022 count
Owner
State
State Highway Agency

About this bridge

I 74 WB Ramp over Dme RR & Bike Trail is a steel continuous stringer/multi-beam or girder carrying I 74 WB Ramp over Dme RR & Bike Trail in Scott County, Iowa. It was built in 2020, so it is 5 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 9,800 vehicles a day, roughly 4% of them trucks, projected to reach 9,800 by 2044. The structure is 519 ft (158.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 74 WB Ramp
CrossesDme RR & Bike Trail
Location4.3 Mi. S of Jct. I-80
RouteInterstate 74
StateIowa
Coordinates41.52357, -90.51218
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length519 ft (158.1 m)
Longest span136 ft (41.6 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2022)
Projected traffic9,800 by 2044
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I 74 WB Ramp over Dme RR & Bike Trail built?

It was built in 2020, making it 5 years old in 2025.

What condition is I 74 WB Ramp over Dme RR & Bike Trail 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 September 2024.

How much traffic does I 74 WB Ramp over Dme RR & Bike Trail carry?

About 9,800 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is I 74 WB Ramp over Dme RR & Bike Trail?

The structure is 519 ft (158.1 m) long with a longest span of 136 ft (41.6 m) and a deck 44 ft wide.

Who owns I 74 WB Ramp over Dme RR & Bike Trail?

It is owned by the State Highway Agency.