US Bridges

Il 72 FAP 553 over Unnamed Creek

Fair

DeKalb County, Illinois · 0.3 Mi. W. Kirkland · Structure no. 019003800000000

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
2,150
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 FAP 553 over Unnamed Creek is a steel stringer/multi-beam or girder carrying Il 72 FAP 553 over Unnamed Creek in DeKalb County, Illinois. It was built in 1991, so it is 34 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 2,150 vehicles a day, roughly 19% of them trucks, projected to reach 2,632 by 2046. The structure is 43 ft (13 m) long and 36 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesIl 72 FAP 553
CrossesUnnamed Creek
Location0.3 Mi. W. Kirkland
RouteState Highway 72
Coordinates42.08758, -88.86146
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 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 rating62.5 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span39 ft (11.8 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2023)
Projected traffic2,632 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 FAP 553 over Unnamed Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Il 72 FAP 553 over Unnamed 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 March 2023.

How much traffic does Il 72 FAP 553 over Unnamed Creek carry?

About 2,150 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is Il 72 FAP 553 over Unnamed Creek?

The structure is 43 ft (13 m) long with a longest span of 39 ft (11.8 m) and a deck 36 ft wide.

Who owns Il 72 FAP 553 over Unnamed Creek?

It is owned by the State Highway Agency.