US Bridges

Hickory Grve RD over Duck Creek

Fair

Scott County, Iowa · 000000000 · Structure no. 000000000003070

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Slab
Concrete Continuous
Length
167 ft
4 main spans
Daily traffic
8,200
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hickory Grve RD over Duck Creek is a concrete continuous slab carrying Hickory Grve RD over Duck Creek in Scott County, Iowa. It was built in 1980, so it is 45 years old, younger 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 5 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 8,200 vehicles a day, projected to reach 8,200 by 2043. The structure is 167 ft (50.9 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesHickory Grve RD
CrossesDuck Creek
Location000000000
RouteCity Street 0
CountyScott County
StateIowa
Coordinates41.5525, -90.62133
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88 US tons
Inventory rating53 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length167 ft (50.9 m)
Longest span47 ft (14.3 m)
Deck width58 ft (17.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,200 (2022)
Projected traffic8,200 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hickory Grve RD over Duck Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Hickory Grve 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 Hickory Grve RD over Duck Creek carry?

About 8,200 vehicles per day (2022 count).

How long is Hickory Grve RD over Duck Creek?

The structure is 167 ft (50.9 m) long with a longest span of 47 ft (14.3 m) and a deck 58 ft wide.

Who owns Hickory Grve RD over Duck Creek?

It is owned by the City or Municipal Highway Agency.