US Bridges

6th ST SW over Hoosier Creek

Good

Linn County, Iowa · 082072102 · Structure no. 000000000505740

Built
2023
2 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
8,292
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

6th ST SW over Hoosier Creek is a concrete culvert carrying 6th ST SW over Hoosier Creek in Linn County, Iowa. It was built in 2023, so it is 2 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 8,292 vehicles a day, projected to reach 8,292 by 2043. The structure is 24 ft (7.3 m) long and 136 ft wide.

Carries6th ST SW
CrossesHoosier Creek
Location082072102
RouteCity Street 0
StateIowa
Coordinates41.89676, -91.67601
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width136 ft (41.5 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,292 (2023)
Projected traffic8,292 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 6th ST SW over Hoosier Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is 6th ST SW over Hoosier 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 July 2024.

How much traffic does 6th ST SW over Hoosier Creek carry?

About 8,292 vehicles per day (2023 count).

How long is 6th ST SW over Hoosier Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 136 ft wide.

Who owns 6th ST SW over Hoosier Creek?

It is owned by the City or Municipal Highway Agency.