US Bridges

Tennessee RD-TR234 over I-74

Fair

Tazewell County, Illinois · East Edge of Morton · Structure no. 090008400000000

Built
1960
65 years old, rebuilt 1994
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
4 main spans
Daily traffic
1,000
2023 count
Owner
State
State Highway Agency

About this bridge

Tennessee RD-TR234 over I-74 is a steel continuous stringer/multi-beam or girder carrying Tennessee RD-TR234 over I-74 in Tazewell County, Illinois. It was built in 1960 and reconstructed in 1994, so it is 65 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 1,000 vehicles a day, roughly 3% of them trucks, projected to reach 1,414 by 2046. The structure is 224 ft (68.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTennessee RD-TR234
CrossesI-74
LocationEast Edge of Morton
RouteCounty Highway 0
CountyTazewell County
StateIllinois
Coordinates40.62088, -89.43153
Functional classUrban 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 inspectionJune 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length224 ft (68.3 m)
Longest span67 ft (20.4 m)
Deck width32 ft (9.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,414 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Tennessee RD-TR234 over I-74 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.

What condition is Tennessee RD-TR234 over I-74 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 June 2024.

How much traffic does Tennessee RD-TR234 over I-74 carry?

About 1,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Tennessee RD-TR234 over I-74?

The structure is 224 ft (68.3 m) long with a longest span of 67 ft (20.4 m) and a deck 32 ft wide.

Who owns Tennessee RD-TR234 over I-74?

It is owned by the State Highway Agency.