US Bridges

Ramp 6th D over BNSF RR & 4th Ave

Fair

Rock Island County, Illinois · .75 MI S of Iowa Sta · Structure no. 081018700000000

Built
2019
6 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
505 ft
3 main spans
Daily traffic
23,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ramp 6th D over BNSF RR & 4th Ave is a steel continuous stringer/multi-beam or girder carrying Ramp 6th D over BNSF RR & 4th Ave 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 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 23,450 vehicles a day, roughly 5% of them trucks, projected to reach 26,765 by 2046. The structure is 505 ft (153.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRamp 6th D
CrossesBNSF RR & 4th Ave
Location.75 MI S of Iowa Sta
RouteInterstate 74
CountyRock Island County
StateIllinois
Coordinates41.50781, -90.5088
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length505 ft (153.9 m)
Longest span173 ft (52.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,450 (2023)
Projected traffic26,765 by 2046
Trucks5%
Lanes on structure1
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ramp 6th D over BNSF RR & 4th Ave built?

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

What condition is Ramp 6th D over BNSF RR & 4th Ave 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 April 2024.

How much traffic does Ramp 6th D over BNSF RR & 4th Ave carry?

About 23,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ramp 6th D over BNSF RR & 4th Ave?

The structure is 505 ft (153.9 m) long with a longest span of 173 ft (52.6 m) and a deck 33 ft wide.

Who owns Ramp 6th D over BNSF RR & 4th Ave?

It is owned by the State Highway Agency.