US Bridges

TR 87 over FAI 155

Good

Logan County, Illinois · .6MI N I-155/I-55 · Structure no. 054007100000000

Built
1986
39 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
263 ft
2 main spans
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

TR 87 over FAI 155 is a prestressed concrete stringer/multi-beam or girder carrying TR 87 over FAI 155 in Logan County, Illinois. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 14% of them trucks, projected to reach 53 by 2046. The structure is 263 ft (80.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTR 87
CrossesFAI 155
Location.6MI N I-155/I-55
RouteCounty Highway 0
Coordinates40.18698, -89.4193
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.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length263 ft (80.3 m)
Longest span107 ft (32.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic53 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 87 over FAI 155 built?

It was built in 1986, making it 39 years old in 2025.

What condition is TR 87 over FAI 155 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 January 2024.

How much traffic does TR 87 over FAI 155 carry?

About 50 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is TR 87 over FAI 155?

The structure is 263 ft (80.3 m) long with a longest span of 107 ft (32.6 m) and a deck 31 ft wide.

Who owns TR 87 over FAI 155?

It is owned by the State Highway Agency.