US Bridges

Bay Road over Unnamed Tributary

Poor

McHenry County, Illinois · 0.5 MI S of Edgewood · Structure no. 056601300000000

Built
1980
45 years old
Condition
Poor
inspected June 2024
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
1,550
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bay Road over Unnamed Tributary is a steel culvert carrying Bay Road over Unnamed Tributary in McHenry County, Illinois. It was built in 1980, so it is 45 years old, younger 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 1,550 vehicles a day, roughly 5% of them trucks, projected to reach 1,860 by 2046. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBay Road
CrossesUnnamed Tributary
Location0.5 MI S of Edgewood
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.27631, -88.30091
Functional classUrban Local

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 protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length22 ft (6.6 m)
Longest span6 ft (1.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2021)
Projected traffic1,860 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Bay Road over Unnamed Tributary built?

It was built in 1980, making it 45 years old in 2025.

What condition is Bay Road over Unnamed Tributary 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 June 2024.

How much traffic does Bay Road over Unnamed Tributary carry?

About 1,550 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Bay Road over Unnamed Tributary?

The structure is 22 ft (6.6 m) long with a longest span of 6 ft (1.7 m).

Who owns Bay Road over Unnamed Tributary?

It is owned by the City or Municipal Highway Agency.