US Bridges

Archer Ave over S Fk S Br Chi River

Fair

Cook County, Illinois · 3100 S 1550 W P5C · Structure no. 016607100000000

Built
1963
62 years old, rebuilt 2005
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
218 ft
1 main span
Daily traffic
24,100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Archer Ave over S Fk S Br Chi River is a steel stringer/multi-beam or girder carrying Archer Ave over S Fk S Br Chi River in Cook County, Illinois. It was built in 1963 and reconstructed in 2005, so it is 62 years old, older 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 24,100 vehicles a day, roughly 4% of them trucks, projected to reach 23,634 by 2046. The structure is 218 ft (66.5 m) long and 93 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesArcher Ave
CrossesS Fk S Br Chi River
Location3100 S 1550 W P5C
CountyCook County
StateIllinois
Coordinates41.83836, -87.66454
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length218 ft (66.5 m)
Longest span136 ft (41.6 m)
Deck width93 ft (28.3 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,100 (2023)
Projected traffic23,634 by 2046
Trucks4%
Lanes on structure6
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.9 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Archer Ave over S Fk S Br Chi River built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2005.

What condition is Archer Ave over S Fk S Br Chi River 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 July 2023.

How much traffic does Archer Ave over S Fk S Br Chi River carry?

About 24,100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Archer Ave over S Fk S Br Chi River?

The structure is 218 ft (66.5 m) long with a longest span of 136 ft (41.6 m) and a deck 93 ft wide.

Who owns Archer Ave over S Fk S Br Chi River?

It is owned by the City or Municipal Highway Agency.