US Bridges

Maple Rd. C.H.(T-5 over Trib Coon Creek

Poor

McHenry County, Illinois · .15 MI N Beck Road · Structure no. 056302700000000

Built
1945
80 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
22 ft
3 main spans
Daily traffic
1,150
2021 count
Owner
County
County Highway Agency

About this bridge

Maple Rd. C.H.(T-5 over Trib Coon Creek is a steel culvert carrying Maple Rd. C.H.(T-5 over Trib Coon Creek in McHenry County, Illinois. It was built in 1945, so it is 80 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 1,150 vehicles a day, roughly 7% of them trucks, projected to reach 1,380 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMaple Rd. C.H.(T-5
CrossesTrib Coon Creek
Location.15 MI N Beck Road
CountyMcHenry County
StateIllinois
Coordinates42.19554, -88.59864
Functional classRural Major Collector

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 inspectionOctober 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 adequacy8: Equal to present desirable 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 (6.7 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2021)
Projected traffic1,380 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Maple Rd. C.H.(T-5 over Trib Coon Creek built?

It was built in 1945, making it 80 years old in 2025.

What condition is Maple Rd. C.H.(T-5 over Trib Coon Creek 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 October 2024.

How much traffic does Maple Rd. C.H.(T-5 over Trib Coon Creek carry?

About 1,150 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Maple Rd. C.H.(T-5 over Trib Coon Creek?

The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m).

Who owns Maple Rd. C.H.(T-5 over Trib Coon Creek?

It is owned by the County Highway Agency.