US Bridges

TR 41 (2100 N) over I-39 US 51

Fair

Woodford County, Illinois · 3 MI N of Ill 116 · Structure no. 102004800000000

Built
1990
35 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
297 ft
3 main spans
Daily traffic
200
2020 count
Owner
State
State Highway Agency

About this bridge

TR 41 (2100 N) over I-39 US 51 is a steel continuous stringer/multi-beam or girder carrying TR 41 (2100 N) over I-39 US 51 in Woodford County, Illinois. It was built in 1990, so it is 35 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 14% of them trucks, projected to reach 202 by 2046. The structure is 297 ft (90.5 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 41 (2100 N)
CrossesI-39 US 51
Location3 MI N of Ill 116
RouteCounty Highway 0
Coordinates40.89658, -89.05534
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length297 ft (90.5 m)
Longest span216 ft (65.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2020)
Projected traffic202 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 41 (2100 N) over I-39 US 51 built?

It was built in 1990, making it 35 years old in 2025.

What condition is TR 41 (2100 N) over I-39 US 51 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 February 2023.

How much traffic does TR 41 (2100 N) over I-39 US 51 carry?

About 200 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is TR 41 (2100 N) over I-39 US 51?

The structure is 297 ft (90.5 m) long with a longest span of 216 ft (65.8 m) and a deck 37 ft wide.

Who owns TR 41 (2100 N) over I-39 US 51?

It is owned by the State Highway Agency.