US Bridges

TR-31 (river Road) over Meridosia Ditch

Poor

Whiteside County, Illinois · At R I CO Line · Structure no. 098995000000000

Built
1901
124 years old
Condition
Poor
inspected January 2025
Type
Culvert
Concrete
Length
27 ft
4 main spans
Daily traffic
—
2020 count
Owner
Private
Private (other than railroad)

About this bridge

TR-31 (river Road) over Meridosia Ditch is a concrete culvert carrying TR-31 (river Road) over Meridosia Ditch in Whiteside County, Illinois. It was built in 1901, so it is 124 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

No traffic count is recorded. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTR-31 (river Road)
CrossesMeridosia Ditch
LocationAt R I CO Line
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.61367, -90.1631
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic—
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

OwnerPrivate (other than railroad)
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$48,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR-31 (river Road) over Meridosia Ditch built?

It was built in 1901, making it 124 years old in 2025.

What condition is TR-31 (river Road) over Meridosia Ditch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.

How much traffic does TR-31 (river Road) over Meridosia Ditch carry?

No traffic count is recorded for this structure.

How long is TR-31 (river Road) over Meridosia Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns TR-31 (river Road) over Meridosia Ditch?

It is owned by the Private (other than railroad).