US Bridges

Waterfrod Road EB over Walnut Creek

Good

Dallas County, Iowa · City of Urbandale. Dallas · Structure no. 000000000505560

Built
2018
7 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
151 ft
3 main spans
Daily traffic
266
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Waterfrod Road EB over Walnut Creek is a concrete continuous slab carrying Waterfrod Road EB over Walnut Creek in Dallas County, Iowa. It was built in 2018, so it is 7 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 266 vehicles a day, projected to reach 266 by 2044. The structure is 151 ft (46 m) long and 50 ft wide.

CarriesWaterfrod Road EB
CrossesWalnut Creek
LocationCity of Urbandale. Dallas
RouteCity Street 0
StateIowa
Coordinates41.65808, -93.8366
Functional classUrban 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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length151 ft (46 m)
Longest span59 ft (18 m)
Deck width50 ft (15.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic266 (2022)
Projected traffic266 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Waterfrod Road EB over Walnut Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Waterfrod Road EB over Walnut 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 2024.

How much traffic does Waterfrod Road EB over Walnut Creek carry?

About 266 vehicles per day (2022 count).

How long is Waterfrod Road EB over Walnut Creek?

The structure is 151 ft (46 m) long with a longest span of 59 ft (18 m) and a deck 50 ft wide.

Who owns Waterfrod Road EB over Walnut Creek?

It is owned by the City or Municipal Highway Agency.