US Bridges

Peotone-Beecher RD over Black Walnut Creek

Fair

Will County, Illinois · 1.5M.E.OF IL-50 · Structure no. 099333000000000

Built
1988
37 years old, rebuilt 2003
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
68 ft
2 main spans
Daily traffic
2,750
2023 count
Owner
County
County Highway Agency

About this bridge

Peotone-Beecher RD over Black Walnut Creek is a concrete slab carrying Peotone-Beecher RD over Black Walnut Creek in Will County, Illinois. It was built in 1988 and reconstructed in 2003, so it is 37 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 5 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 2,750 vehicles a day, roughly 9% of them trucks, projected to reach 4,392 by 2046. The structure is 68 ft (20.7 m) long and 46 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPeotone-Beecher RD
CrossesBlack Walnut Creek
Location1.5M.E.OF IL-50
Coordinates41.3397, -87.75621
Functional classUrban Other Principal 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width46 ft (14 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2023)
Projected traffic4,392 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$296,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Peotone-Beecher RD over Black Walnut Creek built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2003.

What condition is Peotone-Beecher RD over Black Walnut 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 March 2023.

How much traffic does Peotone-Beecher RD over Black Walnut Creek carry?

About 2,750 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Peotone-Beecher RD over Black Walnut Creek?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 46 ft wide.

Who owns Peotone-Beecher RD over Black Walnut Creek?

It is owned by the County Highway Agency.