US Bridges

I-88 EB over Zuma Creek

Fair

Rock Island County, Illinois · 2.1 MI SW JCT Ill 92 · Structure no. 081012200000000

Built
1976
49 years old, rebuilt 2022
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
9,450
2023 count
Owner
State
State Highway Agency

About this bridge

I-88 EB over Zuma Creek is a steel stringer/multi-beam or girder carrying I-88 EB over Zuma Creek in Rock Island County, Illinois. It was built in 1976 and reconstructed in 2022, so it is 49 years old, older 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 9,450 vehicles a day, roughly 28% of them trucks, projected to reach 9,191 by 2046. The structure is 81 ft (24.6 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-88 EB
CrossesZuma Creek
Location2.1 MI SW JCT Ill 92
RouteInterstate 88
CountyRock Island County
StateIllinois
Coordinates41.54163, -90.27258
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.3 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.6 m)
Longest span76 ft (23.2 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,450 (2023)
Projected traffic9,191 by 2046
Trucks28%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 I-88 EB over Zuma Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2022.

What condition is I-88 EB over Zuma Creek 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 January 2024.

How much traffic does I-88 EB over Zuma Creek carry?

About 9,450 vehicles per day (2023 count), of which roughly 28% are trucks.

How long is I-88 EB over Zuma Creek?

The structure is 81 ft (24.6 m) long with a longest span of 76 ft (23.2 m) and a deck 42 ft wide.

Who owns I-88 EB over Zuma Creek?

It is owned by the State Highway Agency.