US Bridges

Township Road 151 over Copperas Creek

Fair

Rock Island County, Illinois · 2.5 M N Buffalo Prai · Structure no. 081308500000000

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
2 main spans
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Township Road 151 over Copperas Creek is a prestressed concrete box beam or girders - multiple carrying Township Road 151 over Copperas Creek in Rock Island County, Illinois. It was built in 1979, so it is 46 years old, older 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 80 ft (24.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTownship Road 151
CrossesCopperas Creek
Location2.5 M N Buffalo Prai
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.37486, -90.85599
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span38 ft (11.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks0%
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

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 Township Road 151 over Copperas Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Township Road 151 over Copperas 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 October 2023.

How much traffic does Township Road 151 over Copperas Creek carry?

About 25 vehicles per day (2020 count).

How long is Township Road 151 over Copperas Creek?

The structure is 80 ft (24.4 m) long with a longest span of 38 ft (11.6 m) and a deck 27 ft wide.

Who owns Township Road 151 over Copperas Creek?

It is owned by the Town or Township Highway Agency.