US Bridges

Il 251 over Bureau Creek

Fair

Lee County, Illinois · .9 MI N Lasalle CO · Structure no. 052006800000000

Built
1994
31 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
120 ft
2 main spans
Daily traffic
1,400
2023 count
Owner
State
State Highway Agency

About this bridge

Il 251 over Bureau Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 251 over Bureau Creek in Lee County, Illinois. It was built in 1994, so it is 31 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 1,400 vehicles a day, roughly 17% of them trucks, projected to reach 1,162 by 2046. The structure is 120 ft (36.6 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIl 251
CrossesBureau Creek
Location.9 MI N Lasalle CO
RouteState Highway 251
Coordinates41.63961, -89.12947
Functional classRural Major Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span58 ft (17.8 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2023)
Projected traffic1,162 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Il 251 over Bureau Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Il 251 over Bureau 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 February 2024.

How much traffic does Il 251 over Bureau Creek carry?

About 1,400 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Il 251 over Bureau Creek?

The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.8 m) and a deck 43 ft wide.

Who owns Il 251 over Bureau Creek?

It is owned by the State Highway Agency.