US Bridges

Ill 9 over Lost Grove Creek

Poor

Fulton County, Illinois · 4 MI W of Fiatt · Structure no. 029005200000000

Built
1980
45 years old, rebuilt 2006
Condition
Poor
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
137 ft
3 main spans
Daily traffic
1,450
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 9 over Lost Grove Creek is a prestressed concrete box beam or girders - multiple carrying Ill 9 over Lost Grove Creek in Fulton County, Illinois. It was built in 1980 and reconstructed in 2006, 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 poor condition with a lowest component rating of 3 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 1,450 vehicles a day, roughly 13% of them trucks, projected to reach 1,414 by 2046. The structure is 137 ft (41.9 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIll 9
CrossesLost Grove Creek
Location4 MI W of Fiatt
RouteState Highway 9
Coordinates40.56064, -90.25807
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55.3 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length137 ft (41.9 m)
Longest span45 ft (13.7 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic1,414 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 9 over Lost Grove Creek built?

It was built in 1980, making it 45 years old in 2025. It was reconstructed in 2006.

What condition is Ill 9 over Lost Grove 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 November 2024.

How much traffic does Ill 9 over Lost Grove Creek carry?

About 1,450 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Ill 9 over Lost Grove Creek?

The structure is 137 ft (41.9 m) long with a longest span of 45 ft (13.7 m) and a deck 36 ft wide.

Who owns Ill 9 over Lost Grove Creek?

It is owned by the State Highway Agency.