US Bridges

Ch 3 over Creek

Fair

Adams County, Illinois · 6.5 MI NE of Quincy · Structure no. 001500200000000

Built
1940
85 years old
Condition
Fair
inspected December 2022
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
375
2024 count
Owner
County
County Highway Agency

About this bridge

Ch 3 over Creek is a concrete culvert carrying Ch 3 over Creek in Adams County, Illinois. It was built in 1940, so it is 85 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 375 vehicles a day, roughly 6% of them trucks, projected to reach 328 by 2046. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 3
CrossesCreek
Location6.5 MI NE of Quincy
RouteCounty Highway 0
CountyAdams County
StateIllinois
Coordinates39.97745, -91.22987
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2024)
Projected traffic328 by 2046
Trucks6%
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 Ch 3 over Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Ch 3 over Creek 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 December 2022.

How much traffic does Ch 3 over Creek carry?

About 375 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ch 3 over Creek?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m).

Who owns Ch 3 over Creek?

It is owned by the County Highway Agency.