US Bridges

Leech Ave over Old Floyd River Channel

Good

Woodbury County, Iowa · M24500600 · Structure no. 000000000010461

Built
1990
35 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
140 ft
2 main spans
Daily traffic
3,022
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leech Ave over Old Floyd River Channel is a prestressed concrete continuous stringer/multi-beam or girder carrying Leech Ave over Old Floyd River Channel in Woodbury County, Iowa. It was built in 1990, so it is 35 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 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 3,022 vehicles a day, roughly 7% of them trucks, projected to reach 3,022 by 2043. The structure is 140 ft (42.7 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLeech Ave
CrossesOld Floyd River Channel
LocationM24500600
RouteCity Street 0
StateIowa
Coordinates42.48772, -96.38299
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating90.7 US tons
Inventory rating54.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span68 ft (20.7 m)
Deck width65 ft (19.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,022 (2022)
Projected traffic3,022 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Leech Ave over Old Floyd River Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Leech Ave 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 2021.

How much traffic does Leech Ave over Old Floyd River Channel carry?

About 3,022 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Leech Ave over Old Floyd River Channel?

The structure is 140 ft (42.7 m) long with a longest span of 68 ft (20.7 m) and a deck 65 ft wide.

Who owns Leech Ave over Old Floyd River Channel?

It is owned by the City or Municipal Highway Agency.