US Bridges

Cunningham DR over Old Floyd River Channel

Good

Woodbury County, Iowa · 000000000 · Structure no. 000000000010901

Built
1997
28 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
3 main spans
Daily traffic
3,475
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cunningham DR over Old Floyd River Channel is a steel continuous stringer/multi-beam or girder carrying Cunningham DR over Old Floyd River Channel in Woodbury County, Iowa. It was built in 1997, so it is 28 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 3,475 vehicles a day, roughly 7% of them trucks, projected to reach 3,475 by 2043. The structure is 316 ft (96.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCunningham DR
CrossesOld Floyd River Channel
Location000000000
RouteCity Street 0
StateIowa
Coordinates42.48104, -96.38356
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.7 US tons
Inventory rating34.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span110 ft (33.5 m)
Deck width32 ft (9.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,475 (2021)
Projected traffic3,475 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Cunningham DR over Old Floyd River Channel built?

It was built in 1997, making it 28 years old in 2025.

What condition is Cunningham DR over Old Floyd River Channel 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 April 2023.

How much traffic does Cunningham DR over Old Floyd River Channel carry?

About 3,475 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is Cunningham DR over Old Floyd River Channel?

The structure is 316 ft (96.3 m) long with a longest span of 110 ft (33.5 m) and a deck 32 ft wide.

Who owns Cunningham DR over Old Floyd River Channel?

It is owned by the City or Municipal Highway Agency.