US Bridges

TR 187 over Bear Cr.

FairPosted for load

Macoupin County, Illinois · 3M NW C-Ville · Structure no. 059501100000000

Built
1900
125 years old, rebuilt 1972
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 187 over Bear Cr. is a steel culvert carrying TR 187 over Bear Cr. in Macoupin County, Illinois. It was built in 1900 and reconstructed in 1972, so it is 125 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 50 vehicles a day, roughly 20% of them trucks, projected to reach 51 by 2046. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 187
CrossesBear Cr.
Location3M NW C-Ville
RouteCounty Highway 0
CountyMacoupin County
StateIllinois
Coordinates39.32384, -89.92749
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating16.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 187 over Bear Cr. built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1972.

What condition is TR 187 over Bear 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 March 2023.

How much traffic does TR 187 over Bear Cr. carry?

About 50 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is TR 187 over Bear Cr.?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).

Who owns TR 187 over Bear Cr.?

It is owned by the Town or Township Highway Agency.