US Bridges

Sylvan Woods Road over Trevor Creek

Fair

Lake County, Illinois · 1 MI N of Antioch · Structure no. 049306400000000

Built
1993
32 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
78 ft
3 main spans
Daily traffic
900
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sylvan Woods Road over Trevor Creek is a concrete continuous slab carrying Sylvan Woods Road over Trevor Creek in Lake County, Illinois. It was built in 1993, so it is 32 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 6 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 900 vehicles a day, roughly 5% of them trucks, projected to reach 909 by 2046. The structure is 78 ft (23.9 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSylvan Woods Road
CrossesTrevor Creek
Location1 MI N of Antioch
RouteCounty Highway 0
Coordinates42.48979, -88.12347
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length78 ft (23.9 m)
Longest span32 ft (9.8 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic909 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Sylvan Woods Road over Trevor Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sylvan Woods Road over Trevor 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 March 2024.

How much traffic does Sylvan Woods Road over Trevor Creek carry?

About 900 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Sylvan Woods Road over Trevor Creek?

The structure is 78 ft (23.9 m) long with a longest span of 32 ft (9.8 m) and a deck 33 ft wide.

Who owns Sylvan Woods Road over Trevor Creek?

It is owned by the Town or Township Highway Agency.