US Bridges

US 30 over Blackberry Creek

Fair

Kane County, Illinois · 0.1 M W of Orchard · Structure no. 047002900000000

Built
1956
69 years old, rebuilt 1991
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
90 ft
2 main spans
Daily traffic
15,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 over Blackberry Creek is a steel continuous stringer/multi-beam or girder carrying US 30 over Blackberry Creek in Kane County, Illinois. It was built in 1956 and reconstructed in 1991, so it is 69 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.

It carries about 15,800 vehicles a day, roughly 8% of them trucks, projected to reach 12,835 by 2046. The structure is 90 ft (27.5 m) long and 59 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesUS 30
CrossesBlackberry Creek
Location0.1 M W of Orchard
RouteU.S. Route 30
CountyKane County
StateIllinois
Coordinates41.72262, -88.37668
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.5 m)
Longest span43 ft (13.2 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2023)
Projected traffic12,835 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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$624,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 over Blackberry Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1991.

What condition is US 30 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 November 2023.

How much traffic does US 30 over Blackberry Creek carry?

About 15,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 30 over Blackberry Creek?

The structure is 90 ft (27.5 m) long with a longest span of 43 ft (13.2 m) and a deck 59 ft wide.

Who owns US 30 over Blackberry Creek?

It is owned by the State Highway Agency.