US Bridges

Il 16 over Brush Creek

Fair

Montgomery County, Illinois · 1.35M W IL16/127 JCT · Structure no. 068000800000000

Built
1968
57 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
6,650
2023 count
Owner
State
State Highway Agency

About this bridge

Il 16 over Brush Creek is a prestressed concrete stringer/multi-beam or girder carrying Il 16 over Brush Creek in Montgomery County, Illinois. It was built in 1968, so it is 57 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 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 6,650 vehicles a day, roughly 8% of them trucks, projected to reach 7,222 by 2046. The structure is 154 ft (46.9 m) long and 36 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesIl 16
CrossesBrush Creek
Location1.35M W IL16/127 JCT
RouteState Highway 16
CountyMontgomery County
StateIllinois
Coordinates39.17366, -89.55498
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span50 ft (15.3 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,650 (2023)
Projected traffic7,222 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Il 16 over Brush Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Il 16 over Brush 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 September 2024.

How much traffic does Il 16 over Brush Creek carry?

About 6,650 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 16 over Brush Creek?

The structure is 154 ft (46.9 m) long with a longest span of 50 ft (15.3 m) and a deck 36 ft wide.

Who owns Il 16 over Brush Creek?

It is owned by the State Highway Agency.