US Bridges

175 TH ST (ch 54) over Copperas Creek

Good

Rock Island County, Illinois · 5 Mi. Sw. Edgington · Structure no. 081311100000000

Built
1991
34 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
153 ft
3 main spans
Daily traffic
300
2020 count
Owner
County
County Highway Agency

About this bridge

175 TH ST (ch 54) over Copperas Creek is a prestressed concrete box beam or girders - multiple carrying 175 TH ST (ch 54) over Copperas Creek in Rock Island County, Illinois. It was built in 1991, so it is 34 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 300 vehicles a day, roughly 21% of them trucks, projected to reach 303 by 2046. The structure is 153 ft (46.6 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries175 TH ST (ch 54)
CrossesCopperas Creek
Location5 Mi. Sw. Edgington
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.35907, -90.81082
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 geometry8: Equal to present desirable 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span60 ft (18.4 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic303 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 175 TH ST (ch 54) over Copperas Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is 175 TH ST (ch 54) over 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 175 TH ST (ch 54) over Copperas Creek carry?

About 300 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is 175 TH ST (ch 54) over Copperas Creek?

The structure is 153 ft (46.6 m) long with a longest span of 60 ft (18.4 m) and a deck 36 ft wide.

Who owns 175 TH ST (ch 54) over Copperas Creek?

It is owned by the County Highway Agency.