US Bridges

TR 150(GREENSWITCH over I-72

Fair

Macon County, Illinois · 1.83 MI S FAS 549 · Structure no. 058005400000000

Built
1972
53 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
229 ft
2 main spans
Daily traffic
3,300
2020 count
Owner
State
State Highway Agency

About this bridge

TR 150(GREENSWITCH over I-72 is a steel continuous stringer/multi-beam or girder carrying TR 150(GREENSWITCH over I-72 in Macon County, Illinois. It was built in 1972, so it is 53 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 6 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 3,300 vehicles a day, roughly 5% of them trucks, projected to reach 3,333 by 2046. The structure is 229 ft (69.7 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesTR 150(GREENSWITCH
CrossesI-72
Location1.83 MI S FAS 549
RouteCounty Highway 0
CountyMacon County
StateIllinois
Coordinates39.90941, -88.91773
Functional classUrban Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length229 ft (69.7 m)
Longest span97 ft (29.5 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2020)
Projected traffic3,333 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 150(GREENSWITCH over I-72 built?

It was built in 1972, making it 53 years old in 2025.

What condition is TR 150(GREENSWITCH over I-72 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 150(GREENSWITCH over I-72 carry?

About 3,300 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is TR 150(GREENSWITCH over I-72?

The structure is 229 ft (69.7 m) long with a longest span of 97 ft (29.5 m) and a deck 38 ft wide.

Who owns TR 150(GREENSWITCH over I-72?

It is owned by the State Highway Agency.