US Bridges

TR 165 over I-39 US 51

Fair

Woodford County, Illinois · 1 MI N of US 24 · Structure no. 102005700000000

Built
1990
35 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
232 ft
3 main spans
Daily traffic
300
2020 count
Owner
State
State Highway Agency

About this bridge

TR 165 over I-39 US 51 is a steel continuous stringer/multi-beam or girder carrying TR 165 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 300 vehicles a day, roughly 14% of them trucks, projected to reach 303 by 2046. The structure is 232 ft (70.6 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 165
CrossesI-39 US 51
Location1 MI N of US 24
RouteCounty Highway 0
CountyWoodford County
StateIllinois
Coordinates40.75133, -89.03478
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.4 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length232 ft (70.6 m)
Longest span168 ft (51.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2020)
Projected traffic303 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 165 over I-39 US 51 built?

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

What condition is TR 165 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 March 2023.

How much traffic does TR 165 over I-39 US 51 carry?

About 300 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is TR 165 over I-39 US 51?

The structure is 232 ft (70.6 m) long with a longest span of 168 ft (51.1 m) and a deck 33 ft wide.

Who owns TR 165 over I-39 US 51?

It is owned by the State Highway Agency.