US Bridges

Rathje Road over Rock Creek Tributary

Good

Will County, Illinois · 0.42 M N Corning Ave · Structure no. 099603000000000

Built
2020
5 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
70 ft
2 main spans
Daily traffic
1,050
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Rathje Road over Rock Creek Tributary is a concrete culvert carrying Rathje Road over Rock Creek Tributary in Will County, Illinois. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,050 vehicles a day, roughly 10% of them trucks, projected to reach 1,116 by 2046. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRathje Road
CrossesRock Creek Tributary
Location0.42 M N Corning Ave
Coordinates41.33804, -87.80464
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span12 ft (3.7 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,116 by 2046
Trucks10%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Rathje Road over Rock Creek Tributary built?

It was built in 2020, making it 5 years old in 2025.

What condition is Rathje Road over Rock Creek Tributary 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 September 2023.

How much traffic does Rathje Road over Rock Creek Tributary carry?

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

How long is Rathje Road over Rock Creek Tributary?

The structure is 70 ft (21.3 m) long with a longest span of 12 ft (3.7 m) and a deck 31 ft wide.

Who owns Rathje Road over Rock Creek Tributary?

It is owned by the City or Municipal Highway Agency.