US Bridges

Lawrence Road over Piscasaw Creek

Fair

McHenry County, Illinois · .1MI E of Weidner RD · Structure no. 056318400000000

Built
2013
12 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
3 main spans
Daily traffic
350
2021 count
Owner
County
County Highway Agency

About this bridge

Lawrence Road over Piscasaw Creek is a prestressed concrete box beam or girders - multiple carrying Lawrence Road over Piscasaw Creek in McHenry County, Illinois. It was built in 2013, so it is 12 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 350 vehicles a day, roughly 14% of them trucks, projected to reach 420 by 2046. The structure is 93 ft (28.3 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLawrence Road
CrossesPiscasaw Creek
Location.1MI E of Weidner RD
RouteCounty Highway 0
Coordinates42.46579, -88.65765
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating49.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic420 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Lawrence Road over Piscasaw Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Lawrence Road over Piscasaw Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.

How much traffic does Lawrence Road over Piscasaw Creek carry?

About 350 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Lawrence Road over Piscasaw Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 44 ft wide.

Who owns Lawrence Road over Piscasaw Creek?

It is owned by the County Highway Agency.