US Bridges

Brandon RD over Des Plaines River

Fair

Will County, Illinois · 1/4 MI S US 6 · Structure no. 099329800000000

Built
1972
53 years old, rebuilt 2011
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
656 ft
6 main spans
Daily traffic
6,200
2023 count
Owner
County
County Highway Agency

About this bridge

Brandon RD over Des Plaines River is a steel continuous stringer/multi-beam or girder carrying Brandon RD over Des Plaines River in Will County, Illinois. It was built in 1972 and reconstructed in 2011, so it is 53 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 6,200 vehicles a day, roughly 8% of them trucks, projected to reach 11,808 by 2046. The structure is 656 ft (200 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBrandon RD
CrossesDes Plaines River
Location1/4 MI S US 6
CountyWill County
StateIllinois
Coordinates41.50075, -88.10386
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length656 ft (200 m)
Longest span127 ft (38.7 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,200 (2023)
Projected traffic11,808 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Brandon RD over Des Plaines River built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 2011.

What condition is Brandon RD over Des Plaines River 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 May 2023.

How much traffic does Brandon RD over Des Plaines River carry?

About 6,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Brandon RD over Des Plaines River?

The structure is 656 ft (200 m) long with a longest span of 127 ft (38.7 m) and a deck 33 ft wide.

Who owns Brandon RD over Des Plaines River?

It is owned by the County Highway Agency.