US Bridges

TR 161 over Cooney Creek

FairPosted for load

Pope County, Illinois · 2.5 MI W Bay City · Structure no. 076303900000000

Built
1964
61 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
10
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 161 over Cooney Creek is a steel stringer/multi-beam or girder carrying TR 161 over Cooney Creek in Pope County, Illinois. It was built in 1964, so it is 61 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2046. The structure is 27 ft (8.2 m) long and 10 ft wide.

Location

Open in Google Maps
CarriesTR 161
CrossesCooney Creek
Location2.5 MI W Bay City
RouteCounty Highway 0
CountyPope County
StateIllinois
Coordinates37.2559, -88.52849
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.6 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width10 ft (3 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic10 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$58,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 161 over Cooney Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is TR 161 over Cooney 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 September 2023.

How much traffic does TR 161 over Cooney Creek carry?

About 10 vehicles per day (2023 count).

How long is TR 161 over Cooney Creek?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 10 ft wide.

Who owns TR 161 over Cooney Creek?

It is owned by the Town or Township Highway Agency.