US Bridges

TR 150 over Mason Tazewell Ditch

FairPosted for load

Mason County, Illinois · 0.5 MI SW Forest Cty · Structure no. 063330100000000

Built
1910
115 years old, rebuilt 1976
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
3 main spans
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 150 over Mason Tazewell Ditch is a prestressed concrete box beam or girders - multiple carrying TR 150 over Mason Tazewell Ditch in Mason County, Illinois. It was built in 1910 and reconstructed in 1976, so it is 115 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 111 ft (33.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR 150
CrossesMason Tazewell Ditch
Location0.5 MI SW Forest Cty
RouteCounty Highway 0
CountyMason County
StateIllinois
Coordinates40.3605, -89.84254
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length111 ft (33.8 m)
Longest span58 ft (17.7 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
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 150 over Mason Tazewell Ditch built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1976.

What condition is TR 150 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 150 over Mason Tazewell Ditch carry?

About 50 vehicles per day (2024 count).

How long is TR 150 over Mason Tazewell Ditch?

The structure is 111 ft (33.8 m) long with a longest span of 58 ft (17.7 m) and a deck 26 ft wide.

Who owns TR 150 over Mason Tazewell Ditch?

It is owned by the Town or Township Highway Agency.