US Bridges

Main Street over Blackberry Creek

Fair

Kane County, Illinois · West of Il 47 · Structure no. 045306900000000

Built
2022
3 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
2,650
2023 count
Owner
County
County Highway Agency

About this bridge

Main Street over Blackberry Creek is a prestressed concrete box beam or girders - multiple carrying Main Street over Blackberry Creek in Kane County, Illinois. It was built in 2022, so it is 3 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 2,650 vehicles a day, roughly 43% of them trucks, projected to reach 3,770 by 2039. The structure is 46 ft (14 m) long and 68 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMain Street
CrossesBlackberry Creek
LocationWest of Il 47
Coordinates41.84138, -88.46832
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width68 ft (20.7 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2023)
Projected traffic3,770 by 2039
Trucks43%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Main Street over Blackberry Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Main Street over Blackberry 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 October 2024.

How much traffic does Main Street over Blackberry Creek carry?

About 2,650 vehicles per day (2023 count), of which roughly 43% are trucks.

How long is Main Street over Blackberry Creek?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 68 ft wide.

Who owns Main Street over Blackberry Creek?

It is owned by the County Highway Agency.