US Bridges

Houbolt Ave over Rock Run Creek

Fair

Will County, Illinois · 1/2 MI S US 52 · Structure no. 099329900000000

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete Continuous
Length
51 ft
3 main spans
Daily traffic
11,900
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Houbolt Ave over Rock Run Creek is a concrete continuous culvert carrying Houbolt Ave over Rock Run Creek in Will County, Illinois. It was built in 1970, so it is 55 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 11,900 vehicles a day, roughly 7% of them trucks, projected to reach 14,544 by 2046. The structure is 51 ft (15.4 m) long and 75 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesHoubolt Ave
CrossesRock Run Creek
Location1/2 MI S US 52
CountyWill County
StateIllinois
Coordinates41.51572, -88.1695
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length51 ft (15.4 m)
Longest span19 ft (5.8 m)
Deck width75 ft (22.9 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2023)
Projected traffic14,544 by 2046
Trucks7%
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 Houbolt Ave over Rock Run Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Houbolt Ave over Rock Run 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 February 2025.

How much traffic does Houbolt Ave over Rock Run Creek carry?

About 11,900 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Houbolt Ave over Rock Run Creek?

The structure is 51 ft (15.4 m) long with a longest span of 19 ft (5.8 m) and a deck 75 ft wide.

Who owns Houbolt Ave over Rock Run Creek?

It is owned by the City or Municipal Highway Agency.