US Bridges

TR 268 over Rogers Ditch

Fair

Mason County, Illinois · 3 MI SE Mason City · Structure no. 063430800000000

Built
1900
125 years old, rebuilt 1978
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
50
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 268 over Rogers Ditch is a steel stringer/multi-beam or girder carrying TR 268 over Rogers Ditch in Mason County, Illinois. It was built in 1900 and reconstructed in 1978, 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 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 50 vehicles a day, projected to reach 51 by 2046. The structure is 37 ft (11.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 268
CrossesRogers Ditch
Location3 MI SE Mason City
RouteCounty Highway 0
Coordinates40.18072, -89.64091
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionDecember 2024
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating38.6 US tons
Inventory rating23.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span35 ft (10.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic51 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 268 over Rogers Ditch built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1978.

What condition is TR 268 over Rogers 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 December 2024.

How much traffic does TR 268 over Rogers Ditch carry?

About 50 vehicles per day (2024 count).

How long is TR 268 over Rogers Ditch?

The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.6 m) and a deck 24 ft wide.

Who owns TR 268 over Rogers Ditch?

It is owned by the Town or Township Highway Agency.