US Bridges

Green Bay Rd. over U.P.R.R.

Poor

Lake County, Illinois · 0.6M.S.OF IL-176 · Structure no. 049680200000000

Built
1988
37 years old
Condition
Poor
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
8,500
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Green Bay Rd. over U.P.R.R. is a prestressed concrete box beam or girders - multiple carrying Green Bay Rd. over U.P.R.R. in Lake County, Illinois. It was built in 1988, so it is 37 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 8,500 vehicles a day, roughly 1% of them trucks, projected to reach 7,777 by 2046. The structure is 170 ft (51.8 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesGreen Bay Rd.
CrossesU.P.R.R.
Location0.6M.S.OF IL-176
CountyLake County
StateIllinois
Coordinates42.27154, -87.85177
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span70 ft (21.3 m)
Deck width39 ft (11.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,500 (2023)
Projected traffic7,777 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Green Bay Rd. over U.P.R.R. built?

It was built in 1988, making it 37 years old in 2025.

What condition is Green Bay Rd. over U.P.R.R. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Green Bay Rd. over U.P.R.R. carry?

About 8,500 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Green Bay Rd. over U.P.R.R.?

The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 39 ft wide.

Who owns Green Bay Rd. over U.P.R.R.?

It is owned by the City or Municipal Highway Agency.