US Bridges

Buffalo Grove RD over Buffalo CR

Good

Cook County, Illinois · 1 M W Dundee RD P25 · Structure no. 016320400000000

Built
1977
48 years old, rebuilt 2019
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
15,400
2022 count
Owner
County
County Highway Agency

About this bridge

Buffalo Grove RD over Buffalo CR is a steel stringer/multi-beam or girder carrying Buffalo Grove RD over Buffalo CR in Cook County, Illinois. It was built in 1977 and reconstructed in 2019, so it is 48 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,400 vehicles a day, roughly 3% of them trucks, projected to reach 19,796 by 2046. The structure is 71 ft (21.5 m) long and 109 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBuffalo Grove RD
CrossesBuffalo CR
Location1 M W Dundee RD P25
CountyCook County
StateIllinois
Coordinates42.15306, -87.96157
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.5 m)
Longest span66 ft (20 m)
Deck width109 ft (33.1 m)
Roadway width86 ft (26.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2022)
Projected traffic19,796 by 2046
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Buffalo Grove RD over Buffalo CR built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2019.

What condition is Buffalo Grove RD over Buffalo CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Buffalo Grove RD over Buffalo CR carry?

About 15,400 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Buffalo Grove RD over Buffalo CR?

The structure is 71 ft (21.5 m) long with a longest span of 66 ft (20 m) and a deck 109 ft wide.

Who owns Buffalo Grove RD over Buffalo CR?

It is owned by the County Highway Agency.