US Bridges

I 57 & US 51 over TR 7 Butter Ridge RD

Fair

Pulaski County, Illinois · 2.8 MI S of Union CO · Structure no. 077004000000000

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
37 ft
1 main span
Daily traffic
12,600
2024 count
Owner
State
State Highway Agency

About this bridge

I 57 & US 51 over TR 7 Butter Ridge RD is a prestressed concrete box beam or girders - multiple carrying I 57 & US 51 over TR 7 Butter Ridge RD in Pulaski County, Illinois. It was built in 1995, so it is 30 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 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 12,600 vehicles a day, roughly 53% of them trucks, projected to reach 15,655 by 2046. The structure is 37 ft (11.4 m) long and 136 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI 57 & US 51
CrossesTR 7 Butter Ridge RD
Location2.8 MI S of Union CO
RouteInterstate 57
Coordinates37.29411, -89.15681
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating56.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length37 ft (11.4 m)
Longest span34 ft (10.4 m)
Deck width136 ft (41.5 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,600 (2024)
Projected traffic15,655 by 2046
Trucks53%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 57 & US 51 over TR 7 Butter Ridge RD built?

It was built in 1995, making it 30 years old in 2025.

What condition is I 57 & US 51 over TR 7 Butter Ridge RD 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 July 2024.

How much traffic does I 57 & US 51 over TR 7 Butter Ridge RD carry?

About 12,600 vehicles per day (2024 count), of which roughly 53% are trucks.

How long is I 57 & US 51 over TR 7 Butter Ridge RD?

The structure is 37 ft (11.4 m) long with a longest span of 34 ft (10.4 m) and a deck 136 ft wide.

Who owns I 57 & US 51 over TR 7 Butter Ridge RD?

It is owned by the State Highway Agency.