US Bridges

Ch 60 (198th St) over N Br Copperas Creek

Good

Rock Island County, Illinois · 3.5 MI SE Ill. City · Structure no. 081310700000000

Built
1988
37 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 60 (198th St) over N Br Copperas Creek is a prestressed concrete box beam or girders - multiple carrying Ch 60 (198th St) over N Br Copperas Creek in Rock Island County, Illinois. It was built in 1988, so it is 37 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 20% of them trucks, projected to reach 101 by 2046. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCh 60 (198th St)
CrossesN Br Copperas Creek
Location3.5 MI SE Ill. City
RouteCounty Highway 0
Coordinates41.37715, -90.83993
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span63 ft (19.2 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic101 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 60 (198th St) over N Br Copperas Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ch 60 (198th St) over N Br Copperas 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 November 2022.

How much traffic does Ch 60 (198th St) over N Br Copperas Creek carry?

About 100 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Ch 60 (198th St) over N Br Copperas Creek?

The structure is 66 ft (20.1 m) long with a longest span of 63 ft (19.2 m) and a deck 26 ft wide.

Who owns Ch 60 (198th St) over N Br Copperas Creek?

It is owned by the County Highway Agency.