US Bridges

TR 86 over Little Sandy Ck Bh

Good

Scott County, Illinois · 1.5 MI SE Glasgow · Structure no. 086322100000000

Built
1984
41 years old
Condition
Good
inspected September 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 86 over Little Sandy Ck Bh is a prestressed concrete box beam or girders - multiple carrying TR 86 over Little Sandy Ck Bh in Scott 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 80% of them trucks, projected to reach 25 by 2046. The structure is 68 ft (20.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 86
CrossesLittle Sandy Ck Bh
Location1.5 MI SE Glasgow
RouteCounty Highway 0
Coordinates39.528, -90.46244
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks80%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 86 over Little Sandy Ck Bh built?

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

What condition is TR 86 over Little Sandy Ck Bh 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 September 2021.

How much traffic does TR 86 over Little Sandy Ck Bh carry?

About 25 vehicles per day (2020 count), of which roughly 80% are trucks.

How long is TR 86 over Little Sandy Ck Bh?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 24 ft wide.

Who owns TR 86 over Little Sandy Ck Bh?

It is owned by the Town or Township Highway Agency.