US Bridges

Il 72 over Mud Creek Trib.

Fair

Ogle County, Illinois · 1.1 MI E Leaf River · Structure no. 071006800000000

Built
1983
42 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 over Mud Creek Trib. is a prestressed concrete box beam or girders - multiple carrying Il 72 over Mud Creek Trib. in Ogle County, Illinois. It was built in 1983, so it is 42 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 1,700 vehicles a day, roughly 8% of them trucks, projected to reach 1,976 by 2046. The structure is 56 ft (17.1 m) long and 33 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesIl 72
CrossesMud Creek Trib.
Location1.1 MI E Leaf River
RouteState Highway 72
CountyOgle County
StateIllinois
Coordinates42.12981, -89.3824
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span53 ft (16.2 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic1,976 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Il 72 over Mud Creek Trib. built?

It was built in 1983, making it 42 years old in 2025.

What condition is Il 72 over Mud Creek Trib. 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 August 2024.

How much traffic does Il 72 over Mud Creek Trib. carry?

About 1,700 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 72 over Mud Creek Trib.?

The structure is 56 ft (17.1 m) long with a longest span of 53 ft (16.2 m) and a deck 33 ft wide.

Who owns Il 72 over Mud Creek Trib.?

It is owned by the State Highway Agency.