US Bridges

Jamestown Rd/Ch 11 over Quarry Ditch

Fair

Clinton County, Illinois · No Hoppy Holtgrave · Structure no. 014500300000000

Built
1972
53 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,450
2020 count
Owner
County
County Highway Agency

About this bridge

Jamestown Rd/Ch 11 over Quarry Ditch is a concrete culvert carrying Jamestown Rd/Ch 11 over Quarry Ditch in Clinton County, Illinois. It was built in 1972, so it is 53 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,450 vehicles a day, roughly 12% of them trucks, projected to reach 1,595 by 2046. The structure is 30 ft (9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesJamestown Rd/Ch 11
CrossesQuarry Ditch
LocationNo Hoppy Holtgrave
RouteCounty Highway 0
Coordinates38.66499, -89.51692
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 rating58.2 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 15
Structure length30 ft (9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2020)
Projected traffic1,595 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Jamestown Rd/Ch 11 over Quarry Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Jamestown Rd/Ch 11 over Quarry Ditch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2025.

How much traffic does Jamestown Rd/Ch 11 over Quarry Ditch carry?

About 1,450 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is Jamestown Rd/Ch 11 over Quarry Ditch?

The structure is 30 ft (9 m) long with a longest span of 14 ft (4.3 m).

Who owns Jamestown Rd/Ch 11 over Quarry Ditch?

It is owned by the County Highway Agency.