US Bridges

Jersey Ridge RD over Duck Creek

Fair

Scott County, Iowa · 000000000 · Structure no. 000000000003400

Built
1970
55 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
166 ft
4 main spans
Daily traffic
8,600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jersey Ridge RD over Duck Creek is a concrete continuous slab carrying Jersey Ridge RD over Duck Creek in Scott County, Iowa. It was built in 1970, so it is 55 years old, older than the Iowa average of 45.5 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 8,600 vehicles a day, projected to reach 8,600 by 2043. The structure is 166 ft (50.6 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesJersey Ridge RD
CrossesDuck Creek
Location000000000
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.55099, -90.54171
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.6 US tons
Inventory rating35.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length166 ft (50.6 m)
Longest span45 ft (13.7 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,600 (2022)
Projected traffic8,600 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$180,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jersey Ridge RD over Duck Creek built?

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

What condition is Jersey Ridge RD over Duck 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 June 2023.

How much traffic does Jersey Ridge RD over Duck Creek carry?

About 8,600 vehicles per day (2022 count).

How long is Jersey Ridge RD over Duck Creek?

The structure is 166 ft (50.6 m) long with a longest span of 45 ft (13.7 m) and a deck 60 ft wide.

Who owns Jersey Ridge RD over Duck Creek?

It is owned by the City or Municipal Highway Agency.