US Bridges

TR-179 (kedeka Rd) over Blackberry Creek

FairPosted for load

Kane County, Illinois · 2 MI N Sugar Grove · Structure no. 045307100000000

Built
1968
57 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
400
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-179 (kedeka Rd) over Blackberry Creek is a concrete continuous slab carrying TR-179 (kedeka Rd) over Blackberry Creek in Kane County, Illinois. It was built in 1968, so it is 57 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 400 vehicles a day, roughly 8% of them trucks, projected to reach 824 by 2046. The structure is 92 ft (28 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR-179 (kedeka Rd)
CrossesBlackberry Creek
Location2 MI N Sugar Grove
RouteCounty Highway 0
CountyKane County
StateIllinois
Coordinates41.78546, -88.44796
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length92 ft (28 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic824 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR-179 (kedeka Rd) over Blackberry Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is TR-179 (kedeka Rd) 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 April 2023.

How much traffic does TR-179 (kedeka Rd) over Blackberry Creek carry?

About 400 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is TR-179 (kedeka Rd) over Blackberry Creek?

The structure is 92 ft (28 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns TR-179 (kedeka Rd) over Blackberry Creek?

It is owned by the Town or Township Highway Agency.