US Bridges

Belmont Ave over N Br Chgo Rvr

Poor

Cook County, Illinois · 3200 N & 2600 W · Structure no. 016600400000000

Built
1976
49 years old
Condition
Poor
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
292 ft
3 main spans
Daily traffic
17,800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Belmont Ave over N Br Chgo Rvr is a steel continuous stringer/multi-beam or girder carrying Belmont Ave over N Br Chgo Rvr in Cook County, Illinois. It was built in 1976, 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 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 17,800 vehicles a day, roughly 6% of them trucks, projected to reach 13,736 by 2046. The structure is 292 ft (89 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBelmont Ave
CrossesN Br Chgo Rvr
Location3200 N & 2600 W
Coordinates41.93942, -87.69336
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.6 US tons
Inventory rating52.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length292 ft (89 m)
Longest span169 ft (51.5 m)
Deck width66 ft (20.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,800 (2022)
Projected traffic13,736 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$3 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Belmont Ave over N Br Chgo Rvr built?

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

What condition is Belmont Ave over N Br Chgo Rvr 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 August 2023.

How much traffic does Belmont Ave over N Br Chgo Rvr carry?

About 17,800 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Belmont Ave over N Br Chgo Rvr?

The structure is 292 ft (89 m) long with a longest span of 169 ft (51.5 m) and a deck 66 ft wide.

Who owns Belmont Ave over N Br Chgo Rvr?

It is owned by the City or Municipal Highway Agency.