US Bridges

Infantry DR over Rock Run Creek Trib

Fair

Will County, Illinois · 0.35M N of Jefferson · Structure no. 099647800000000

Built
1996
29 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
8,100
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Infantry DR over Rock Run Creek Trib is a prestressed concrete box beam or girders - multiple carrying Infantry DR over Rock Run Creek Trib in Will County, Illinois. It was built in 1996, so it is 29 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 8,100 vehicles a day, roughly 8% of them trucks, projected to reach 12,024 by 2046. The structure is 52 ft (16 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInfantry DR
CrossesRock Run Creek Trib
Location0.35M N of Jefferson
Coordinates41.52716, -88.15121
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length52 ft (16 m)
Longest span50 ft (15.1 m)
Deck width53 ft (16.2 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,100 (2023)
Projected traffic12,024 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Infantry DR over Rock Run Creek Trib built?

It was built in 1996, making it 29 years old in 2025.

What condition is Infantry DR over Rock Run Creek Trib 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 February 2024.

How much traffic does Infantry DR over Rock Run Creek Trib carry?

About 8,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Infantry DR over Rock Run Creek Trib?

The structure is 52 ft (16 m) long with a longest span of 50 ft (15.1 m) and a deck 53 ft wide.

Who owns Infantry DR over Rock Run Creek Trib?

It is owned by the City or Municipal Highway Agency.