US Bridges

US 30 FAP 573 over Indian Creek

Good

DeKalb County, Illinois · 2.8 Mi. W. of Il 23 · Structure no. 019201600000000

Built
1993
32 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 30 FAP 573 over Indian Creek is a concrete culvert carrying US 30 FAP 573 over Indian Creek in DeKalb County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,600 vehicles a day, roughly 23% of them trucks, projected to reach 3,472 by 2046. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS 30 FAP 573
CrossesIndian Creek
Location2.8 Mi. W. of Il 23
RouteU.S. Route 30
Coordinates41.76902, -88.80849
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.5 US tons
Inventory rating46.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,472 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 US 30 FAP 573 over Indian Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 30 FAP 573 over Indian Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does US 30 FAP 573 over Indian Creek carry?

About 2,600 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is US 30 FAP 573 over Indian Creek?

The structure is 27 ft (8.1 m) long with a longest span of 13 ft (3.9 m).

Who owns US 30 FAP 573 over Indian Creek?

It is owned by the State Highway Agency.