US Bridges

Ridgewood DR over Curtis Creek

Fair

Adams County, Illinois · City of Quincy · Structure no. 001600700000000

Built
1981
44 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
625
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridgewood DR over Curtis Creek is a prestressed concrete box beam or girders - multiple carrying Ridgewood DR over Curtis Creek in Adams County, Illinois. It was built in 1981, so it is 44 years old, younger 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 625 vehicles a day, roughly 17% of them trucks, projected to reach 101 by 2046. The structure is 45 ft (13.7 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRidgewood DR
CrossesCurtis Creek
LocationCity of Quincy
RouteCity Street 0
Coordinates39.92062, -91.36512
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length45 ft (13.7 m)
Longest span43 ft (13.1 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2024)
Projected traffic101 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ridgewood DR over Curtis Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Ridgewood DR over Curtis 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 April 2024.

How much traffic does Ridgewood DR over Curtis Creek carry?

About 625 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Ridgewood DR over Curtis Creek?

The structure is 45 ft (13.7 m) long with a longest span of 43 ft (13.1 m) and a deck 36 ft wide.

Who owns Ridgewood DR over Curtis Creek?

It is owned by the City or Municipal Highway Agency.