US Bridges

TR 185 over Beaver CR

Fair

Bond County, Illinois · 2.00M S Greenville · Structure no. 003321200000000

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
3 main spans
Daily traffic
275
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 185 over Beaver CR is a prestressed concrete box beam or girders - multiple carrying TR 185 over Beaver CR in Bond County, Illinois. It was built in 1975, so it is 50 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 275 vehicles a day, roughly 9% of them trucks, projected to reach 278 by 2046. The structure is 101 ft (30.9 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 185
CrossesBeaver CR
Location2.00M S Greenville
RouteCounty Highway 0
CountyBond County
StateIllinois
Coordinates38.84328, -89.40887
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length101 ft (30.9 m)
Longest span34 ft (10.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2020)
Projected traffic278 by 2046
Trucks9%
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 TR 185 over Beaver CR built?

It was built in 1975, making it 50 years old in 2025.

What condition is TR 185 over Beaver CR 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 January 2024.

How much traffic does TR 185 over Beaver CR carry?

About 275 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is TR 185 over Beaver CR?

The structure is 101 ft (30.9 m) long with a longest span of 34 ft (10.4 m) and a deck 26 ft wide.

Who owns TR 185 over Beaver CR?

It is owned by the Town or Township Highway Agency.