US Bridges

TR 247 over Trib to Carlyle Lake

Fair

Bond County, Illinois · 1.75M N Ofkeyesport · Structure no. 003391200000000

Built
1974
51 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 247 over Trib to Carlyle Lake is a concrete culvert carrying TR 247 over Trib to Carlyle Lake in Bond County, Illinois. It was built in 1974, so it is 51 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.

It carries about 75 vehicles a day, roughly 21% of them trucks, projected to reach 76 by 2046. The structure is 29 ft (8.8 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTR 247
CrossesTrib to Carlyle Lake
Location1.75M N Ofkeyesport
RouteCounty Highway 0
CountyBond County
StateIllinois
Coordinates38.77101, -89.28539
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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
Deck geometry5: 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 rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span11 ft (3.4 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic76 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 247 over Trib to Carlyle Lake built?

It was built in 1974, making it 51 years old in 2025.

What condition is TR 247 over Trib to Carlyle Lake 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 247 over Trib to Carlyle Lake carry?

About 75 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is TR 247 over Trib to Carlyle Lake?

The structure is 29 ft (8.8 m) long with a longest span of 11 ft (3.4 m) and a deck 23 ft wide.

Who owns TR 247 over Trib to Carlyle Lake?

It is owned by the Town or Township Highway Agency.