US Bridges

TR-58 over Sen Beck Ditch

Good

Massac County, Illinois · 3 Mile SE Mermet · Structure no. 064307700000000

Built
1980
45 years old
Condition
Good
inspected February 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
150
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-58 over Sen Beck Ditch is a prestressed concrete box beam or girders - multiple carrying TR-58 over Sen Beck Ditch in Massac County, Illinois. It was built in 1980, so it is 45 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 150 vehicles a day, roughly 16% of them trucks, projected to reach 152 by 2046. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesTR-58
CrossesSen Beck Ditch
Location3 Mile SE Mermet
RouteCounty Highway 0
Coordinates37.25523, -88.79384
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span58 ft (17.8 m)
Deck width28 ft (8.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic152 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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-58 over Sen Beck Ditch built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR-58 over Sen Beck Ditch 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 February 2022.

How much traffic does TR-58 over Sen Beck Ditch carry?

About 150 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is TR-58 over Sen Beck Ditch?

The structure is 60 ft (18.3 m) long with a longest span of 58 ft (17.8 m) and a deck 28 ft wide.

Who owns TR-58 over Sen Beck Ditch?

It is owned by the Town or Township Highway Agency.