US Bridges

Ill 72 over Stillman Creek

Fair

Ogle County, Illinois · .13 MI E Meridian RD · Structure no. 071004200000000

Built
1930
95 years old, rebuilt 2006
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
2 main spans
Daily traffic
3,850
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 72 over Stillman Creek is a prestressed concrete box beam or girders - multiple carrying Ill 72 over Stillman Creek in Ogle County, Illinois. It was built in 1930 and reconstructed in 2006, so it is 95 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 3,850 vehicles a day, roughly 8% of them trucks, projected to reach 3,588 by 2046. The structure is 96 ft (29.4 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIll 72
CrossesStillman Creek
Location.13 MI E Meridian RD
RouteState Highway 72
Coordinates42.10729, -89.16959
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length96 ft (29.4 m)
Longest span48 ft (14.7 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2023)
Projected traffic3,588 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
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 72 over Stillman Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2006.

What condition is Ill 72 over Stillman 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 May 2024.

How much traffic does Ill 72 over Stillman Creek carry?

About 3,850 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ill 72 over Stillman Creek?

The structure is 96 ft (29.4 m) long with a longest span of 48 ft (14.7 m) and a deck 33 ft wide.

Who owns Ill 72 over Stillman Creek?

It is owned by the State Highway Agency.