US Bridges

Kimberly RD over Duck Creek

Good

Scott County, Iowa · 000000000 · Structure no. 000000000503700

Built
1963
62 years old, rebuilt 2016
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
170 ft
3 main spans
Daily traffic
10,500
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kimberly RD over Duck Creek is a steel continuous stringer/multi-beam or girder carrying Kimberly RD over Duck Creek in Scott County, Iowa. It was built in 1963 and reconstructed in 2016, so it is 62 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,500 vehicles a day, projected to reach 10,500 by 2043. The structure is 170 ft (51.8 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKimberly RD
CrossesDuck Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates41.54661, -90.5224
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span66 ft (20.1 m)
Deck width58 ft (17.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,500 (2022)
Projected traffic10,500 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Kimberly RD over Duck Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2016.

What condition is Kimberly RD over Duck Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Kimberly RD over Duck Creek carry?

About 10,500 vehicles per day (2022 count).

How long is Kimberly RD over Duck Creek?

The structure is 170 ft (51.8 m) long with a longest span of 66 ft (20.1 m) and a deck 58 ft wide.

Who owns Kimberly RD over Duck Creek?

It is owned by the City or Municipal Highway Agency.