US Bridges

TR 258 over Lake Fork

PoorPosted for load

Christian County, Illinois · 2MI NW Pana · Structure no. 011320300000000

Built
1898
127 years old
Condition
Poor
inspected December 2023
Type
Truss - Thru
Steel
Length
35 ft
1 main span
Daily traffic
10
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 258 over Lake Fork is a steel truss - thru carrying TR 258 over Lake Fork in Christian County, Illinois. It was built in 1898, so it is 127 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. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 10 by 2046. The structure is 35 ft (10.7 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 258
CrossesLake Fork
Location2MI NW Pana
RouteCounty Highway 0
Coordinates39.42286, -89.11801
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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, 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 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating10.7 US tons
Inventory rating6.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span34 ft (10.4 m)
Deck width16 ft (4.8 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2021)
Projected traffic10 by 2046
Trucks10%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$72,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 258 over Lake Fork built?

It was built in 1898, making it 127 years old in 2025.

What condition is TR 258 over Lake Fork 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 December 2023.

How much traffic does TR 258 over Lake Fork carry?

About 10 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 258 over Lake Fork?

The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 16 ft wide.

Who owns TR 258 over Lake Fork?

It is owned by the Town or Township Highway Agency.