US Bridges

Theodore Street over Rock Run Creek

PoorPosted for load

Will County, Illinois · 1.5M E. I-55 · Structure no. 099647700000000

Built
1996
29 years old
Condition
Poor
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
138 ft
3 main spans
Daily traffic
8,150
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Theodore Street over Rock Run Creek is a prestressed concrete box beam or girders - multiple carrying Theodore Street over Rock Run Creek 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 8,150 vehicles a day, roughly 4% of them trucks, projected to reach 8,424 by 2046. The structure is 138 ft (42.1 m) long and 56 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTheodore Street
CrossesRock Run Creek
Location1.5M E. I-55
Coordinates41.55109, -88.15137
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating19.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span45 ft (13.8 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,150 (2023)
Projected traffic8,424 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Theodore Street over Rock Run Creek built?

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

What condition is Theodore Street over Rock Run Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Theodore Street over Rock Run Creek carry?

About 8,150 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Theodore Street over Rock Run Creek?

The structure is 138 ft (42.1 m) long with a longest span of 45 ft (13.8 m) and a deck 56 ft wide.

Who owns Theodore Street over Rock Run Creek?

It is owned by the City or Municipal Highway Agency.