US Bridges

TR 133-UNITY Sch R over Unnamed Stream

Fair

Massac County, Illinois · 0.5 MI E Ch 8 · Structure no. 064312800000000

Built
2001
24 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
650
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 133-UNITY Sch R over Unnamed Stream is a prestressed concrete box beam or girders - multiple carrying TR 133-UNITY Sch R over Unnamed Stream in Massac County, Illinois. It was built in 2001, so it is 24 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 650 vehicles a day, roughly 10% of them trucks, projected to reach 657 by 2046. The structure is 41 ft (12.6 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 133-UNITY Sch R
CrossesUnnamed Stream
Location0.5 MI E Ch 8
RouteCounty Highway 0
Coordinates37.15981, -88.61317
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length41 ft (12.6 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2020)
Projected traffic657 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 133-UNITY Sch R over Unnamed Stream built?

It was built in 2001, making it 24 years old in 2025.

What condition is TR 133-UNITY Sch R over Unnamed Stream 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 2023.

How much traffic does TR 133-UNITY Sch R over Unnamed Stream carry?

About 650 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is TR 133-UNITY Sch R over Unnamed Stream?

The structure is 41 ft (12.6 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns TR 133-UNITY Sch R over Unnamed Stream?

It is owned by the Town or Township Highway Agency.