US Bridges

I 29 SB over Floyd Blvd

Good

Woodbury County, Iowa · 3.0 Mi. N of Jct. US 75 · Structure no. 000000000053781

Built
2019
6 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
227 ft
3 main spans
Daily traffic
15,400
2022 count
Owner
State
State Highway Agency

About this bridge

I 29 SB over Floyd Blvd is a prestressed concrete stringer/multi-beam or girder carrying I 29 SB over Floyd Blvd in Woodbury County, Iowa. It was built in 2019, so it is 6 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 15,400 vehicles a day, roughly 19% of them trucks, projected to reach 15,400 by 2044. The structure is 227 ft (69.3 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 29 SB
CrossesFloyd Blvd
Location3.0 Mi. N of Jct. US 75
RouteInterstate 29
StateIowa
Coordinates42.48694, -96.3956
Functional classUrban Principal Arterial - Interstate

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.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length227 ft (69.3 m)
Longest span107 ft (32.6 m)
Deck width65 ft (19.7 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2022)
Projected traffic15,400 by 2044
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 29 SB over Floyd Blvd built?

It was built in 2019, making it 6 years old in 2025.

What condition is I 29 SB over Floyd Blvd 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 August 2024.

How much traffic does I 29 SB over Floyd Blvd carry?

About 15,400 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is I 29 SB over Floyd Blvd?

The structure is 227 ft (69.3 m) long with a longest span of 107 ft (32.6 m) and a deck 65 ft wide.

Who owns I 29 SB over Floyd Blvd?

It is owned by the State Highway Agency.