US Bridges

J Road/ TR 102 over Trib to Rockhouse CR

Fair

Monroe County, Illinois · RD Dist NO3 · Structure no. 067312800000000

Built
1985
40 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
200
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

J Road/ TR 102 over Trib to Rockhouse CR is a steel culvert carrying J Road/ TR 102 over Trib to Rockhouse CR in Monroe County, Illinois. It was built in 1985, so it is 40 years old, younger 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.

It carries about 200 vehicles a day, roughly 15% of them trucks, projected to reach 170 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesJ Road/ TR 102
CrossesTrib to Rockhouse CR
LocationRD Dist NO3
RouteCounty Highway 0
CountyMonroe County
StateIllinois
Coordinates38.27869, -90.05907
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2024)
Projected traffic170 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 J Road/ TR 102 over Trib to Rockhouse CR built?

It was built in 1985, making it 40 years old in 2025.

What condition is J Road/ TR 102 over Trib to Rockhouse 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 July 2024.

How much traffic does J Road/ TR 102 over Trib to Rockhouse CR carry?

About 200 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is J Road/ TR 102 over Trib to Rockhouse CR?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.3 m).

Who owns J Road/ TR 102 over Trib to Rockhouse CR?

It is owned by the Town or Township Highway Agency.