US Bridges

Il 50 over Rock CR (mid Xing)

Good

Will County, Illinois · 0.6 M S Pauling RD · Structure no. 099011200000000

Built
1958
67 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 50 over Rock CR (mid Xing) is a concrete continuous culvert carrying Il 50 over Rock CR (mid Xing) in Will County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,700 vehicles a day, roughly 12% of them trucks, projected to reach 7,560 by 2046. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesIl 50
CrossesRock CR (mid Xing)
Location0.6 M S Pauling RD
RouteState Highway 50
Coordinates41.38853, -87.76012
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating53.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic7,560 by 2046
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 50 over Rock CR (mid Xing) built?

It was built in 1958, making it 67 years old in 2025.

What condition is Il 50 over Rock CR (mid Xing) in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2023.

How much traffic does Il 50 over Rock CR (mid Xing) carry?

About 5,700 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is Il 50 over Rock CR (mid Xing)?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Il 50 over Rock CR (mid Xing)?

It is owned by the State Highway Agency.