US Bridges

CO RD 16 over Cedar Creek

Good

LaSalle County, Illinois · N 2451 E 175 · Structure no. 050500100000000

Built
1973
52 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
43 ft
1 main span
Daily traffic
2,150
2020 count
Owner
County
County Highway Agency

About this bridge

CO RD 16 over Cedar Creek is a steel culvert carrying CO RD 16 over Cedar Creek in LaSalle County, Illinois. It was built in 1973, so it is 52 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,150 vehicles a day, roughly 7% of them trucks, projected to reach 2,172 by 2046. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCO RD 16
CrossesCedar Creek
LocationN 2451 E 175
RouteCounty Highway 0
Coordinates41.3041, -89.13207
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.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating68.9 US tons
Inventory rating63.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span39 ft (11.9 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic2,172 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CO RD 16 over Cedar Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is CO RD 16 over Cedar 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 April 2023.

How much traffic does CO RD 16 over Cedar Creek carry?

About 2,150 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is CO RD 16 over Cedar Creek?

The structure is 43 ft (13.1 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns CO RD 16 over Cedar Creek?

It is owned by the County Highway Agency.