US Bridges

TR 1A/LAKE Fork RD over North Fork

Good

De Witt County, Illinois · 6.0 MI S. Clinton · Structure no. 020318400000000

Built
2004
21 years old
Condition
Good
inspected May 2020
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
175
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 1A/LAKE Fork RD over North Fork is a prestressed concrete box beam or girders - multiple carrying TR 1A/LAKE Fork RD over North Fork in De Witt County, Illinois. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 175 vehicles a day, roughly 6% of them trucks, projected to reach 177 by 2046. The structure is 64 ft (19.4 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 1A/LAKE Fork RD
CrossesNorth Fork
Location6.0 MI S. Clinton
RouteCounty Highway 0
Coordinates40.05233, -88.94691
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span62 ft (18.9 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2020)
Projected traffic177 by 2046
Trucks6%
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 1A/LAKE Fork RD over North Fork built?

It was built in 2004, making it 21 years old in 2025.

What condition is TR 1A/LAKE Fork RD over North 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 May 2020.

How much traffic does TR 1A/LAKE Fork RD over North Fork carry?

About 175 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is TR 1A/LAKE Fork RD over North Fork?

The structure is 64 ft (19.4 m) long with a longest span of 62 ft (18.9 m) and a deck 27 ft wide.

Who owns TR 1A/LAKE Fork RD over North Fork?

It is owned by the Town or Township Highway Agency.