US Bridges

Vernon Avenue over Sugar Creek N Branch

Poor

McLean County, Illinois · 1.3 MI Nne 150 & 51 · Structure no. 057780100000000

Built
1968
57 years old
Condition
Poor
inspected December 2023
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
10,400
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Vernon Avenue over Sugar Creek N Branch is a concrete continuous culvert carrying Vernon Avenue over Sugar Creek N Branch in McLean County, Illinois. It was built in 1968, so it is 57 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.

It carries about 10,400 vehicles a day, roughly 4% of them trucks, projected to reach 8,737 by 2046. The structure is 35 ft (10.6 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesVernon Avenue
CrossesSugar Creek N Branch
Location1.3 MI Nne 150 & 51
Coordinates40.50494, -88.9809
Functional classUrban Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span18 ft (5.4 m)
Deck width60 ft (18.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2024)
Projected traffic8,737 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Vernon Avenue over Sugar Creek N Branch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Vernon Avenue over Sugar Creek N Branch 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 December 2023.

How much traffic does Vernon Avenue over Sugar Creek N Branch carry?

About 10,400 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Vernon Avenue over Sugar Creek N Branch?

The structure is 35 ft (10.6 m) long with a longest span of 18 ft (5.4 m) and a deck 60 ft wide.

Who owns Vernon Avenue over Sugar Creek N Branch?

It is owned by the City or Municipal Highway Agency.