US Bridges

Plum Grove RD over Salt Creek

Fair

Cook County, Illinois · 0.4 M N Ill 62 P18 · Structure no. 016304800000000

Built
1957
68 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
57 ft
1 main span
Daily traffic
2,300
2022 count
Owner
County
County Highway Agency

About this bridge

Plum Grove RD over Salt Creek is a steel stringer/multi-beam or girder carrying Plum Grove RD over Salt Creek in Cook County, Illinois. It was built in 1957, so it is 68 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 5 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 2,300 vehicles a day, roughly 3% of them trucks, projected to reach 2,323 by 2046. The structure is 57 ft (17.3 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPlum Grove RD
CrossesSalt Creek
Location0.4 M N Ill 62 P18
RouteCity Street 0
Coordinates42.07716, -88.05351
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.3 m)
Longest span53 ft (16.2 m)
Deck width36 ft (11 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2022)
Projected traffic2,323 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Plum Grove RD over Salt Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Plum Grove RD over Salt Creek 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 June 2024.

How much traffic does Plum Grove RD over Salt Creek carry?

About 2,300 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Plum Grove RD over Salt Creek?

The structure is 57 ft (17.3 m) long with a longest span of 53 ft (16.2 m) and a deck 36 ft wide.

Who owns Plum Grove RD over Salt Creek?

It is owned by the County Highway Agency.