US Bridges

TR 84 a over Stream

Good

Douglas County, Illinois · 1 MI SW of Arcola · Structure no. 021463000000000

Built
1900
125 years old, rebuilt 1977
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
50
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 84 a over Stream is a prestressed concrete box beam or girders - multiple carrying TR 84 a over Stream in Douglas County, Illinois. It was built in 1900 and reconstructed in 1977, so it is 125 years old, older 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 24% of them trucks, projected to reach 76 by 2046. The structure is 28 ft (8.5 m) long and 28 ft wide.

CarriesTR 84 a
CrossesStream
Location1 MI SW of Arcola
RouteCounty Highway 0
Coordinates39.67432, -88.33964
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.4 US tons
Inventory rating36.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic76 by 2046
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 84 a over Stream built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1977.

What condition is TR 84 a over Stream 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 December 2023.

How much traffic does TR 84 a over Stream carry?

About 50 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is TR 84 a over Stream?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.7 m) and a deck 28 ft wide.

Who owns TR 84 a over Stream?

It is owned by the Town or Township Highway Agency.