US Bridges

Ch 37 Sugar Grove over Reid Creek

Poor

Lee County, Illinois · 1.0 MI S Ogle CO L · Structure no. 052518200000000

Built
1961
64 years old
Condition
Poor
inspected February 2025
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

Ch 37 Sugar Grove over Reid Creek is a concrete culvert carrying Ch 37 Sugar Grove over Reid Creek in Lee County, Illinois. It was built in 1961, so it is 64 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 175 vehicles a day, roughly 1% of them trucks, projected to reach 152 by 2046. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCh 37 Sugar Grove
CrossesReid Creek
Location1.0 MI S Ogle CO L
RouteCounty Highway 0
Coordinates41.88753, -89.57739
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating46.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length39 ft (11.9 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 traffic175 (2022)
Projected traffic152 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 37 Sugar Grove over Reid Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is Ch 37 Sugar Grove over Reid Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does Ch 37 Sugar Grove over Reid Creek carry?

About 175 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Ch 37 Sugar Grove over Reid Creek?

The structure is 39 ft (11.9 m) long with a longest span of 13 ft (4 m).

Who owns Ch 37 Sugar Grove over Reid Creek?

It is owned by the County Highway Agency.