US Bridges

Center Road over Rock Creek

Fair

Will County, Illinois · 0.6 MI No. Kkk Road · Structure no. 099490400000000

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
87 ft
3 main spans
Daily traffic
1,050
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Center Road over Rock Creek is a concrete channel beam carrying Center Road over Rock Creek in Will County, Illinois. It was built in 1979, so it is 46 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.

It carries about 1,050 vehicles a day, roughly 10% of them trucks, projected to reach 936 by 2046. The structure is 87 ft (26.5 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCenter Road
CrossesRock Creek
Location0.6 MI No. Kkk Road
RouteCounty Highway 0
CountyWill County
StateIllinois
Coordinates41.30397, -87.84267
Functional classRural 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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic936 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Center Road over Rock Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is Center Road over Rock 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 Center Road over Rock Creek carry?

About 1,050 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Center Road over Rock Creek?

The structure is 87 ft (26.5 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Center Road over Rock Creek?

It is owned by the Town or Township Highway Agency.