US Bridges

6th ST over Floyd Clark & RR

Fair

Woodbury County, Iowa · 000000000 · Structure no. 000000000010520

Built
1965
60 years old, rebuilt 2003
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,012 ft
11 main spans
Daily traffic
8,520
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th ST over Floyd Clark & RR is a steel continuous stringer/multi-beam or girder carrying 6th ST over Floyd Clark & RR in Woodbury County, Iowa. It was built in 1965 and reconstructed in 2003, so it is 60 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,520 vehicles a day, projected to reach 8,520 by 2043. The structure is 1,012 ft (308.5 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries6th ST
CrossesFloyd Clark & RR
Location000000000
RouteCity Street 0
CountyWoodbury County
StateIowa
Coordinates42.49645, -96.3937
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.6 US tons
Inventory rating38.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20
Structure length1,012 ft (308.5 m)
Longest span115 ft (35.1 m)
Deck width62 ft (18.9 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,520 (2021)
Projected traffic8,520 by 2043
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 6th ST over Floyd Clark & RR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2003.

What condition is 6th ST over Floyd Clark & RR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does 6th ST over Floyd Clark & RR carry?

About 8,520 vehicles per day (2021 count).

How long is 6th ST over Floyd Clark & RR?

The structure is 1,012 ft (308.5 m) long with a longest span of 115 ft (35.1 m) and a deck 62 ft wide.

Who owns 6th ST over Floyd Clark & RR?

It is owned by the City or Municipal Highway Agency.