US Bridges

Washington ST over RR - UP

Poor

Lake County, Illinois · 0.1 M E of US 41 · Structure no. 049009700000000

Built
1961
64 years old, rebuilt 2023
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
16,400
2023 count
Owner
State
State Highway Agency

About this bridge

Washington ST over RR - UP is a steel continuous stringer/multi-beam or girder carrying Washington ST over RR - UP in Lake County, Illinois. It was built in 1961 and reconstructed in 2023, so it is 64 years old, older 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 16,400 vehicles a day, roughly 5% of them trucks, projected to reach 39,289 by 2046. The structure is 170 ft (51.8 m) long and 80 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesWashington ST
CrossesRR - UP
Location0.1 M E of US 41
CountyLake County
StateIllinois
Coordinates42.35956, -87.89162
Functional classUrban Minor Arterial

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
Deck8 Very GoodNo problems noted.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 12 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 alignment6: Equal to present minimum criteria
Operating rating70.3 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span61 ft (18.6 m)
Deck width80 ft (24.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,400 (2023)
Projected traffic39,289 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$3.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington ST over RR - UP built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2023.

What condition is Washington ST over RR - UP 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 November 2024.

How much traffic does Washington ST over RR - UP carry?

About 16,400 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Washington ST over RR - UP?

The structure is 170 ft (51.8 m) long with a longest span of 61 ft (18.6 m) and a deck 80 ft wide.

Who owns Washington ST over RR - UP?

It is owned by the State Highway Agency.