US Bridges

Ill 96 over Mill Creek

Fair

Adams County, Illinois · 0.3MI SE I-172/IL96 · Structure no. 001005400000000

Built
1977
48 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
208 ft
3 main spans
Daily traffic
2,850
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 96 over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 96 over Mill Creek in Adams County, Illinois. It was built in 1977, so it is 48 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 2,850 vehicles a day, roughly 9% of them trucks, projected to reach 2,828 by 2046. The structure is 208 ft (63.4 m) long and 43 ft wide.

CarriesIll 96
CrossesMill Creek
Location0.3MI SE I-172/IL96
RouteState Highway 96
Coordinates39.87847, -91.32603
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span70 ft (21.3 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,850 (2023)
Projected traffic2,828 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 Ill 96 over Mill Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Ill 96 over Mill 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 June 2023.

How much traffic does Ill 96 over Mill Creek carry?

About 2,850 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ill 96 over Mill Creek?

The structure is 208 ft (63.4 m) long with a longest span of 70 ft (21.3 m) and a deck 43 ft wide.

Who owns Ill 96 over Mill Creek?

It is owned by the State Highway Agency.