US Bridges

TR 87 over Salt Fork

Fair

Edgar County, Illinois · 2 MI SE of Scottland · Structure no. 023401900000000

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
106 ft
2 main spans
Daily traffic
25
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 87 over Salt Fork is a prestressed concrete box beam or girders - multiple carrying TR 87 over Salt Fork in Edgar County, Illinois. It was built in 1984, so it is 41 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 25 vehicles a day, roughly 8% of them trucks, projected to reach 25 by 2046. The structure is 106 ft (32.3 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 87
CrossesSalt Fork
Location2 MI SE of Scottland
RouteCounty Highway 0
Coordinates39.77155, -87.57552
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span51 ft (15.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2019)
Projected traffic25 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 87 over Salt Fork built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR 87 over Salt Fork 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 September 2024.

How much traffic does TR 87 over Salt Fork carry?

About 25 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is TR 87 over Salt Fork?

The structure is 106 ft (32.3 m) long with a longest span of 51 ft (15.5 m) and a deck 24 ft wide.

Who owns TR 87 over Salt Fork?

It is owned by the Town or Township Highway Agency.