US Bridges

TR 184 over S Fork Indian Creek

Fair

Coles County, Illinois · 5 MI E of Lerna · Structure no. 015323200000000

Built
1980
45 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
2 main spans
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 184 over S Fork Indian Creek is a prestressed concrete box beam or girders - multiple carrying TR 184 over S Fork Indian Creek in Coles 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 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 104 ft (31.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 184
CrossesS Fork Indian Creek
Location5 MI E of Lerna
RouteCounty Highway 0
Coordinates39.41513, -88.18429
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.
Superstructure7 GoodSome minor problems.
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span31 ft (9.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 184 over S Fork Indian Creek built?

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

What condition is TR 184 over S Fork Indian Creek 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 January 2025.

How much traffic does TR 184 over S Fork Indian Creek carry?

About 75 vehicles per day (2024 count).

How long is TR 184 over S Fork Indian Creek?

The structure is 104 ft (31.7 m) long with a longest span of 31 ft (9.6 m) and a deck 24 ft wide.

Who owns TR 184 over S Fork Indian Creek?

It is owned by the Town or Township Highway Agency.