US Bridges

Schoenbeck RD over Mcdonald Creek

Fair

Cook County, Illinois · 0.7 M N Palatine P25 · Structure no. 016309700000000

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
4,200
2022 count
Owner
County
County Highway Agency

About this bridge

Schoenbeck RD over Mcdonald Creek is a concrete slab carrying Schoenbeck RD over Mcdonald Creek in Cook County, Illinois. It was built in 1961, so it is 64 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 4,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,252 by 2046. The structure is 34 ft (10.5 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSchoenbeck RD
CrossesMcdonald Creek
Location0.7 M N Palatine P25
CountyCook County
StateIllinois
Coordinates42.12079, -87.94652
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span31 ft (9.6 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2022)
Projected traffic5,252 by 2046
Trucks2%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$174,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Schoenbeck RD over Mcdonald Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Schoenbeck RD over Mcdonald 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 November 2023.

How much traffic does Schoenbeck RD over Mcdonald Creek carry?

About 4,200 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is Schoenbeck RD over Mcdonald Creek?

The structure is 34 ft (10.5 m) long with a longest span of 31 ft (9.6 m) and a deck 40 ft wide.

Who owns Schoenbeck RD over Mcdonald Creek?

It is owned by the County Highway Agency.