US Bridges

CH-18 over Brush Creek

Fair

Wayne County, Illinois · NW Sam Dale Lake · Structure no. 096333400000000

Built
1982
43 years old
Condition
Fair
inspected February 2025
Type
Channel Beam
Concrete
Length
97 ft
3 main spans
Daily traffic
125
2022 count
Owner
County
County Highway Agency

About this bridge

CH-18 over Brush Creek is a concrete channel beam carrying CH-18 over Brush Creek in Wayne County, Illinois. It was built in 1982, so it is 43 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 125 vehicles a day, roughly 18% of them trucks, projected to reach 128 by 2046. The structure is 97 ft (29.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCH-18
CrossesBrush Creek
LocationNW Sam Dale Lake
RouteCounty Highway 0
CountyWayne County
StateIllinois
Coordinates38.54924, -88.60271
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span32 ft (9.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2022)
Projected traffic128 by 2046
Trucks18%
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

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 CH-18 over Brush Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is CH-18 over Brush 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 February 2025.

How much traffic does CH-18 over Brush Creek carry?

About 125 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is CH-18 over Brush Creek?

The structure is 97 ft (29.6 m) long with a longest span of 32 ft (9.8 m) and a deck 26 ft wide.

Who owns CH-18 over Brush Creek?

It is owned by the County Highway Agency.