US Bridges

Lawrence Road/Ch-T over Lawrence Creek

Good

McHenry County, Illinois · .3MI NW Oak Grove RD · Structure no. 056318100000000

Built
2011
14 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
1 main span
Daily traffic
400
2021 count
Owner
County
County Highway Agency

About this bridge

Lawrence Road/Ch-T over Lawrence Creek is a prestressed concrete stringer/multi-beam or girder carrying Lawrence Road/Ch-T over Lawrence Creek in McHenry County, Illinois. It was built in 2011, so it is 14 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 15% of them trucks, projected to reach 480 by 2046. The structure is 94 ft (28.8 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesLawrence Road/Ch-T
CrossesLawrence Creek
Location.3MI NW Oak Grove RD
RouteCounty Highway 0
Coordinates42.44602, -88.64077
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating56.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length94 ft (28.8 m)
Longest span92 ft (28 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic480 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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/Ch-T over Lawrence Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is Lawrence Road/Ch-T over Lawrence Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does Lawrence Road/Ch-T over Lawrence Creek carry?

About 400 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Lawrence Road/Ch-T over Lawrence Creek?

The structure is 94 ft (28.8 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.

Who owns Lawrence Road/Ch-T over Lawrence Creek?

It is owned by the County Highway Agency.