US Bridges

TR 82 over Mason-Tazewell Ditch

Fair

Mason County, Illinois · 1 MI W Topeka · Structure no. 063310400000000

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
112 ft
3 main spans
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 82 over Mason-Tazewell Ditch is a steel continuous stringer/multi-beam or girder carrying TR 82 over Mason-Tazewell Ditch in Mason County, Illinois. It was built in 1970, so it is 55 years old, older 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 5 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 100 vehicles a day, roughly 2% of them trucks, projected to reach 76 by 2046. The structure is 112 ft (34.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesTR 82
CrossesMason-Tazewell Ditch
Location1 MI W Topeka
RouteCounty Highway 0
CountyMason County
StateIllinois
Coordinates40.32563, -89.95602
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating30 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length112 ft (34.1 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic76 by 2046
Trucks2%
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 82 over Mason-Tazewell Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 82 over Mason-Tazewell Ditch 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 March 2023.

How much traffic does TR 82 over Mason-Tazewell Ditch carry?

About 100 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is TR 82 over Mason-Tazewell Ditch?

The structure is 112 ft (34.1 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns TR 82 over Mason-Tazewell Ditch?

It is owned by the Town or Township Highway Agency.