US Bridges

Keslinger Road over Blackberry Creek

Fair

Kane County, Illinois · 1.8M E of IL47 · Structure no. 045315400000000

Built
2004
21 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
7,100
2023 count
Owner
County
County Highway Agency

About this bridge

Keslinger Road over Blackberry Creek is a prestressed concrete box beam or girders - multiple carrying Keslinger Road over Blackberry Creek in Kane County, Illinois. It was built in 2004, so it is 21 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 7,100 vehicles a day, roughly 11% of them trucks, projected to reach 7,625 by 2046. The structure is 51 ft (15.6 m) long and 59 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKeslinger Road
CrossesBlackberry Creek
Location1.8M E of IL47
RouteCounty Highway 0
Coordinates41.88185, -88.43666
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length51 ft (15.6 m)
Longest span49 ft (14.9 m)
Deck width59 ft (18 m)
Roadway width57 ft (17.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,100 (2023)
Projected traffic7,625 by 2046
Trucks11%
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

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 Keslinger Road over Blackberry Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Keslinger Road 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 March 2023.

How much traffic does Keslinger Road over Blackberry Creek carry?

About 7,100 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Keslinger Road over Blackberry Creek?

The structure is 51 ft (15.6 m) long with a longest span of 49 ft (14.9 m) and a deck 59 ft wide.

Who owns Keslinger Road over Blackberry Creek?

It is owned by the County Highway Agency.