US Bridges

US 6/34 FAS 1248 over Big Bureau Creek

Fair

Bureau County, Illinois · 1.8 M W Main ST Princeton · Structure no. 006015400000000

Built
1991
34 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
235 ft
3 main spans
Daily traffic
3,250
2023 count
Owner
State
State Highway Agency

About this bridge

US 6/34 FAS 1248 over Big Bureau Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 6/34 FAS 1248 over Big Bureau Creek in Bureau County, Illinois. It was built in 1991, so it is 34 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 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 3,250 vehicles a day, roughly 7% of them trucks, projected to reach 3,889 by 2046. The structure is 235 ft (71.7 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 6/34 FAS 1248
CrossesBig Bureau Creek
Location1.8 M W Main ST Princeton
RouteU.S. Route 6
Coordinates41.36742, -89.49795
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length235 ft (71.7 m)
Longest span77 ft (23.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2023)
Projected traffic3,889 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 US 6/34 FAS 1248 over Big Bureau Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 6/34 FAS 1248 over Big 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 July 2024.

How much traffic does US 6/34 FAS 1248 over Big Bureau Creek carry?

About 3,250 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 6/34 FAS 1248 over Big Bureau Creek?

The structure is 235 ft (71.7 m) long with a longest span of 77 ft (23.4 m) and a deck 43 ft wide.

Who owns US 6/34 FAS 1248 over Big Bureau Creek?

It is owned by the State Highway Agency.