US Bridges

Hart Road (fau 254 over Flint Creek Trib

Good

Lake County, Illinois · 0.3 MI N Lake-Cook R · Structure no. 049307900000000

Built
2022
3 years old
Condition
Good
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
7,600
2023 count
Owner
County
County Highway Agency

About this bridge

Hart Road (fau 254 over Flint Creek Trib is a prestressed concrete stringer/multi-beam or girder carrying Hart Road (fau 254 over Flint Creek Trib in Lake County, Illinois. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,600 vehicles a day, roughly 4% of them trucks, projected to reach 11,000 by 2040. The structure is 89 ft (27.1 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHart Road (fau 254
CrossesFlint Creek Trib
Location0.3 MI N Lake-Cook R
CountyLake County
StateIllinois
Coordinates42.15909, -88.15072
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating57.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span85 ft (25.9 m)
Deck width58 ft (17.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2023)
Projected traffic11,000 by 2040
Trucks4%
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 Hart Road (fau 254 over Flint Creek Trib built?

It was built in 2022, making it 3 years old in 2025.

What condition is Hart Road (fau 254 over Flint Creek Trib 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 2022.

How much traffic does Hart Road (fau 254 over Flint Creek Trib carry?

About 7,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Hart Road (fau 254 over Flint Creek Trib?

The structure is 89 ft (27.1 m) long with a longest span of 85 ft (25.9 m) and a deck 58 ft wide.

Who owns Hart Road (fau 254 over Flint Creek Trib?

It is owned by the County Highway Agency.