US Bridges

TR 24 over Lake Fork

Good

Douglas County, Illinois · 3 MI NE of Arthur · Structure no. 021453300000000

Built
1982
43 years old
Condition
Good
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
110 ft
2 main spans
Daily traffic
400
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 24 over Lake Fork is a prestressed concrete box beam or girders - multiple carrying TR 24 over Lake Fork in Douglas County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 15% of them trucks, projected to reach 455 by 2046. The structure is 110 ft (33.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 24
CrossesLake Fork
Location3 MI NE of Arthur
RouteCounty Highway 0
Coordinates39.73601, -88.42543
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span70 ft (21.3 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic455 by 2046
Trucks15%
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 24 over Lake Fork built?

It was built in 1982, making it 43 years old in 2025.

What condition is TR 24 over Lake Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does TR 24 over Lake Fork carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is TR 24 over Lake Fork?

The structure is 110 ft (33.5 m) long with a longest span of 70 ft (21.3 m) and a deck 27 ft wide.

Who owns TR 24 over Lake Fork?

It is owned by the Town or Township Highway Agency.