US Bridges

S70 Balsam Ave over Flood Creek

Good

Floyd County, Iowa · 097182002 · Structure no. 000000000156101

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
84 ft
3 main spans
Daily traffic
560
2022 count
Owner
County
County Highway Agency

About this bridge

S70 Balsam Ave over Flood Creek is a concrete continuous slab carrying S70 Balsam Ave over Flood Creek in Floyd County, Iowa. It was built in 2020, so it is 5 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 560 vehicles a day, roughly 17% of them trucks, projected to reach 560 by 2043. The structure is 84 ft (25.6 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesS70 Balsam Ave
CrossesFlood Creek
Location097182002
RouteCounty Highway 0
CountyFloyd County
StateIowa
Coordinates43.21089, -93.00427
Functional classRural Major 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 inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length84 ft (25.6 m)
Longest span31 ft (9.4 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic560 (2022)
Projected traffic560 by 2043
Trucks17%
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S70 Balsam Ave over Flood Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is S70 Balsam Ave over Flood 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 March 2023.

How much traffic does S70 Balsam Ave over Flood Creek carry?

About 560 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is S70 Balsam Ave over Flood Creek?

The structure is 84 ft (25.6 m) long with a longest span of 31 ft (9.4 m) and a deck 33 ft wide.

Who owns S70 Balsam Ave over Flood Creek?

It is owned by the County Highway Agency.