US Bridges

Pebble Creek Drive over Black Creek

Poor

Madison County, Illinois · 0.3 MI W of Humbert RD · Structure no. 060611300000000

Built
1991
34 years old
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
150
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Pebble Creek Drive over Black Creek is a prestressed concrete box beam or girders - multiple carrying Pebble Creek Drive over Black Creek in Madison County, Illinois. It was built in 1991, so it is 34 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: open, posting recommended but not legally implemented.

It carries about 150 vehicles a day, roughly 17% of them trucks, projected to reach 60 by 2034. The structure is 48 ft (14.5 m) long and 32 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPebble Creek Drive
CrossesBlack Creek
Location0.3 MI W of Humbert RD
RouteCity Street 0
Coordinates38.92627, -90.15511
Functional classUrban Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.5 US tons
Inventory rating23.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span48 ft (14.5 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2024)
Projected traffic60 by 2034
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pebble Creek Drive over Black Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Pebble Creek Drive over Black 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 July 2024.

How much traffic does Pebble Creek Drive over Black Creek carry?

About 150 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Pebble Creek Drive over Black Creek?

The structure is 48 ft (14.5 m) long with a longest span of 48 ft (14.5 m) and a deck 32 ft wide.

Who owns Pebble Creek Drive over Black Creek?

It is owned by the City or Municipal Highway Agency.