US Bridges

US 12 (rand Rd) over Buffalo Creek

Good

Cook County, Illinois · 0.2 Mi. NW of Il 68 · Structure no. 016251800000000

Built
1984
41 years old
Condition
Good
inspected June 2022
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
26,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 (rand Rd) over Buffalo Creek is a concrete continuous culvert carrying US 12 (rand Rd) over Buffalo Creek in Cook County, Illinois. It was built in 1984, so it is 41 years old, younger 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 26,800 vehicles a day, roughly 5% of them trucks, projected to reach 18,685 by 2046. The structure is 25 ft (7.6 m) long.

CarriesUS 12 (rand Rd)
CrossesBuffalo Creek
Location0.2 Mi. NW of Il 68
RouteU.S. Route 12
Coordinates42.14214, -88.02507
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,800 (2023)
Projected traffic18,685 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 12 (rand Rd) over Buffalo Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is US 12 (rand Rd) over Buffalo Creek 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 June 2022.

How much traffic does US 12 (rand Rd) over Buffalo Creek carry?

About 26,800 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 12 (rand Rd) over Buffalo Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns US 12 (rand Rd) over Buffalo Creek?

It is owned by the State Highway Agency.