US Bridges

TR 325 over E Fork of Big Creek

Poor

Edgar County, Illinois · 2.5 MI NW of Oliver · Structure no. 023530500000000

Built
1920
105 years old
Condition
Poor
inspected December 2024
Type
Other
Concrete
Length
53 ft
1 main span
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 325 over E Fork of Big Creek is a concrete other carrying TR 325 over E Fork of Big Creek in Edgar County, Illinois. It was built in 1920, so it is 105 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.

It carries about 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 53 ft (16.3 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 325
CrossesE Fork of Big Creek
Location2.5 MI NW of Oliver
RouteCounty Highway 0
Coordinates39.51598, -87.70811
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

Structure typeOther
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length53 ft (16.3 m)
Longest span52 ft (15.9 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic51 by 2046
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$143,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 325 over E Fork of Big Creek built?

It was built in 1920, making it 105 years old in 2025.

What condition is TR 325 over E Fork of Big Creek 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 2024.

How much traffic does TR 325 over E Fork of Big Creek carry?

About 50 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is TR 325 over E Fork of Big Creek?

The structure is 53 ft (16.3 m) long with a longest span of 52 ft (15.9 m) and a deck 20 ft wide.

Who owns TR 325 over E Fork of Big Creek?

It is owned by the Town or Township Highway Agency.