US Bridges

Simon RD over Whitewater Creek

Good

Dubuque County, Iowa · 087012502 · Structure no. 000000000145991

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
3 main spans
Daily traffic
275
2022 count
Owner
County
County Highway Agency

About this bridge

Simon RD over Whitewater Creek is a prestressed concrete stringer/multi-beam or girder carrying Simon RD over Whitewater Creek in Dubuque County, Iowa. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 275 vehicles a day, projected to reach 275 by 2043. The structure is 204 ft (62.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSimon RD
CrossesWhitewater Creek
Location087012502
RouteCounty Highway 0
StateIowa
Coordinates42.32094, -90.91714
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length204 ft (62.3 m)
Longest span73 ft (22.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2022)
Projected traffic275 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Simon RD over Whitewater Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Simon RD over Whitewater 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 November 2023.

How much traffic does Simon RD over Whitewater Creek carry?

About 275 vehicles per day (2022 count).

How long is Simon RD over Whitewater Creek?

The structure is 204 ft (62.3 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.

Who owns Simon RD over Whitewater Creek?

It is owned by the County Highway Agency.