US Bridges

Ch 66 over Covel Creek Tributar

Good

LaSalle County, Illinois · N.25th / E.1960 · Structure no. 050361200000000

Built
2014
11 years old
Condition
Good
inspected August 2020
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
325
2020 count
Owner
County
County Highway Agency

About this bridge

Ch 66 over Covel Creek Tributar is a prestressed concrete box beam or girders - multiple carrying Ch 66 over Covel Creek Tributar in LaSalle County, Illinois. It was built in 2014, so it is 11 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 325 vehicles a day, roughly 6% of them trucks, projected to reach 328 by 2046. The structure is 57 ft (17.4 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCh 66
CrossesCovel Creek Tributar
LocationN.25th / E.1960
RouteCounty Highway 0
CountyLaSalle County
StateIllinois
Coordinates41.29592, -88.78866
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2020
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length57 ft (17.4 m)
Longest span0 ft (0 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic325 (2020)
Projected traffic328 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Ch 66 over Covel Creek Tributar built?

It was built in 2014, making it 11 years old in 2025.

What condition is Ch 66 over Covel Creek Tributar 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 August 2020.

How much traffic does Ch 66 over Covel Creek Tributar carry?

About 325 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Ch 66 over Covel Creek Tributar?

The structure is 57 ft (17.4 m) long and a deck 30 ft wide.

Who owns Ch 66 over Covel Creek Tributar?

It is owned by the County Highway Agency.