US Bridges

I-74 N.B. Off Ramp over 19th St-Moline

Good

Rock Island County, Illinois · 1.1 MI S Iowa Line · Structure no. 081018100000000

Built
2019
6 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
317 ft
3 main spans
Daily traffic
3,250
2015 count
Owner
State
State Highway Agency

About this bridge

I-74 N.B. Off Ramp over 19th St-Moline is a steel continuous stringer/multi-beam or girder carrying I-74 N.B. Off Ramp over 19th St-Moline in Rock Island County, Illinois. It was built in 2019, so it is 6 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,250 vehicles a day, roughly 11% of them trucks, projected to reach 3,283 by 2046. The structure is 317 ft (96.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-74 N.B. Off Ramp
Crosses19th St-Moline
Location1.1 MI S Iowa Line
CountyRock Island County
StateIllinois
Coordinates41.50305, -90.50804
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length317 ft (96.6 m)
Longest span110 ft (33.5 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2015)
Projected traffic3,283 by 2046
Trucks11%
Lanes on structure1
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-74 N.B. Off Ramp over 19th St-Moline built?

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

What condition is I-74 N.B. Off Ramp over 19th St-Moline 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 January 2024.

How much traffic does I-74 N.B. Off Ramp over 19th St-Moline carry?

About 3,250 vehicles per day (2015 count), of which roughly 11% are trucks.

How long is I-74 N.B. Off Ramp over 19th St-Moline?

The structure is 317 ft (96.6 m) long with a longest span of 110 ft (33.5 m) and a deck 45 ft wide.

Who owns I-74 N.B. Off Ramp over 19th St-Moline?

It is owned by the State Highway Agency.