US Bridges

TR 184A/CREEK Road over Prairie Creek

Fair

Clinton County, Illinois · .5 N.E. Hoffman · Structure no. 014309000000000

Built
1901
124 years old, rebuilt 1975
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 184A/CREEK Road over Prairie Creek is a steel stringer/multi-beam or girder carrying TR 184A/CREEK Road over Prairie Creek in Clinton County, Illinois. It was built in 1901 and reconstructed in 1975, 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 fair condition with a lowest component rating of 6 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 25 vehicles a day, roughly 12% of them trucks, projected to reach 28 by 2046. The structure is 41 ft (12.5 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR 184A/CREEK Road
CrossesPrairie Creek
Location.5 N.E. Hoffman
RouteCounty Highway 0
CountyClinton County
StateIllinois
Coordinates38.54677, -89.25445
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width16 ft (4.9 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic28 by 2046
Trucks12%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$34,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 184A/CREEK Road over Prairie Creek built?

It was built in 1901, making it 124 years old in 2025. It was reconstructed in 1975.

What condition is TR 184A/CREEK Road over Prairie 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 184A/CREEK Road over Prairie Creek carry?

About 25 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is TR 184A/CREEK Road over Prairie Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns TR 184A/CREEK Road over Prairie Creek?

It is owned by the Town or Township Highway Agency.