US Bridges

Emerson ST over Weller CR

Poor

Cook County, Illinois · 0.4 M N Ill 58 P5 · Structure no. 016753800000000

Built
1967
58 years old
Condition
Poor
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
1,700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Emerson ST over Weller CR is a prestressed concrete box beam or girders - multiple carrying Emerson ST over Weller CR in Cook County, Illinois. It was built in 1967, so it is 58 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 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 1,869 by 2046. The structure is 42 ft (12.7 m) long and 41 ft wide.

Location

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CarriesEmerson ST
CrossesWeller CR
Location0.4 M N Ill 58 P5
CountyCook County
StateIllinois
Coordinates42.05384, -87.93522
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating19.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length42 ft (12.7 m)
Longest span40 ft (12.3 m)
Deck width41 ft (12.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2022)
Projected traffic1,869 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Emerson ST over Weller CR built?

It was built in 1967, making it 58 years old in 2025.

What condition is Emerson ST over Weller CR 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 October 2023.

How much traffic does Emerson ST over Weller CR carry?

About 1,700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Emerson ST over Weller CR?

The structure is 42 ft (12.7 m) long with a longest span of 40 ft (12.3 m) and a deck 41 ft wide.

Who owns Emerson ST over Weller CR?

It is owned by the City or Municipal Highway Agency.