US Bridges

US 14 over Flint Creek Trib

PoorPosted for load

Lake County, Illinois · 0.2 MI E of Il 59 · Structure no. 049000300000000

Built
1937
88 years old, rebuilt 1983
Condition
Poor
inspected July 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
24,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 14 over Flint Creek Trib is a concrete slab carrying US 14 over Flint Creek Trib in Lake County, Illinois. It was built in 1937 and reconstructed in 1983, so it is 88 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 24,300 vehicles a day, roughly 3% of them trucks, projected to reach 19,392 by 2046. The structure is 26 ft (7.9 m) long and 63 ft wide.

CarriesUS 14
CrossesFlint Creek Trib
Location0.2 MI E of Il 59
RouteU.S. Route 14
Coordinates42.16154, -88.13217
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20.4 US tons
Inventory rating12.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span24 ft (7.4 m)
Deck width63 ft (19.3 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,300 (2023)
Projected traffic19,392 by 2046
Trucks3%
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 14 over Flint Creek Trib built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1983.

What condition is US 14 over Flint Creek Trib in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does US 14 over Flint Creek Trib carry?

About 24,300 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US 14 over Flint Creek Trib?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.4 m) and a deck 63 ft wide.

Who owns US 14 over Flint Creek Trib?

It is owned by the State Highway Agency.