US Bridges

Service RD SW over Il 171 (archer Ave)

Fair

Cook County, Illinois · 0.05 M S of 63rd ST · Structure no. 016254300000000

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
74 ft
1 main span
Daily traffic
387
2022 count
Owner
State
State Highway Agency

About this bridge

Service RD SW over Il 171 (archer Ave) is a steel stringer/multi-beam or girder carrying Service RD SW over Il 171 (archer Ave) in Cook County, Illinois. It was built in 1987, so it is 38 years old, younger 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 387 vehicles a day, roughly 39% of them trucks, projected to reach 1,035 by 2046. The structure is 74 ft (22.6 m) long and 37 ft wide.

Location

Open in Google Maps
CarriesService RD SW
CrossesIl 171 (archer Ave)
Location0.05 M S of 63rd ST
CountyCook County
StateIllinois
Coordinates41.77582, -87.81447
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating98.2 US tons
Inventory rating66.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width37 ft (11.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic387 (2022)
Projected traffic1,035 by 2046
Trucks39%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Service RD SW over Il 171 (archer Ave) built?

It was built in 1987, making it 38 years old in 2025.

What condition is Service RD SW over Il 171 (archer Ave) 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 September 2024.

How much traffic does Service RD SW over Il 171 (archer Ave) carry?

About 387 vehicles per day (2022 count), of which roughly 39% are trucks.

How long is Service RD SW over Il 171 (archer Ave)?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 37 ft wide.

Who owns Service RD SW over Il 171 (archer Ave)?

It is owned by the State Highway Agency.