US Bridges

TR 166 over N Fork Brouilletts C

Good

Edgar County, Illinois · 5 MI Nnw Cherry Pt · Structure no. 023502600000000

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
50
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 166 over N Fork Brouilletts C is a concrete culvert carrying TR 166 over N Fork Brouilletts C in Edgar County, Illinois. It was built in 1970, so it is 55 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 50 vehicles a day, roughly 4% of them trucks, projected to reach 51 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesTR 166
CrossesN Fork Brouilletts C
Location5 MI Nnw Cherry Pt
RouteCounty Highway 0
Coordinates39.87449, -87.73341
Functional classRural Local

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2019)
Projected traffic51 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 166 over N Fork Brouilletts C built?

It was built in 1970, making it 55 years old in 2025.

What condition is TR 166 over N Fork Brouilletts C 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 September 2024.

How much traffic does TR 166 over N Fork Brouilletts C carry?

About 50 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is TR 166 over N Fork Brouilletts C?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m).

Who owns TR 166 over N Fork Brouilletts C?

It is owned by the Town or Township Highway Agency.