US Bridges

Private Entr. over Thompson Lake Dit

FairPosted for load

Fulton County, Illinois · 2 MI N JCT 136 Ent · Structure no. 029004300000000

Built
1935
90 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
3 main spans
Daily traffic
10
2020 count
Owner
State
State Highway Agency

About this bridge

Private Entr. over Thompson Lake Dit is a steel continuous stringer/multi-beam or girder carrying Private Entr. over Thompson Lake Dit in Fulton County, Illinois. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2046. The structure is 136 ft (41.5 m) long and 16 ft wide.

Location

Open in Google Maps
CarriesPrivate Entr.
CrossesThompson Lake Dit
Location2 MI N JCT 136 Ent
RouteCounty Highway 0
CountyFulton County
StateIllinois
Coordinates40.32359, -90.087
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating31.7 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length136 ft (41.5 m)
Longest span52 ft (15.8 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic10 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$420,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Private Entr. over Thompson Lake Dit built?

It was built in 1935, making it 90 years old in 2025.

What condition is Private Entr. over Thompson Lake Dit 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 September 2024.

How much traffic does Private Entr. over Thompson Lake Dit carry?

About 10 vehicles per day (2020 count).

How long is Private Entr. over Thompson Lake Dit?

The structure is 136 ft (41.5 m) long with a longest span of 52 ft (15.8 m) and a deck 16 ft wide.

Who owns Private Entr. over Thompson Lake Dit?

It is owned by the State Highway Agency.