US Bridges

Oneota DR over Drainage Channel

Good

Winneshiek County, Iowa · 000000000 · Structure no. 000000000003481

Built
2019
6 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
104 ft
1 main span
Daily traffic
25
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Oneota DR over Drainage Channel is a prestressed concrete stringer/multi-beam or girder carrying Oneota DR over Drainage Channel in Winneshiek 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2044. The structure is 104 ft (31.6 m) long and 31 ft wide.

Location

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CarriesOneota DR
CrossesDrainage Channel
Location000000000
RouteCity Street 0
CountyWinneshiek County
StateIowa
Coordinates43.29729, -91.80877
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length104 ft (31.6 m)
Longest span101 ft (30.8 m)
Deck width31 ft (9.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic25 by 2044
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Oneota DR over Drainage Channel built?

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

What condition is Oneota DR over Drainage 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 January 2024.

How much traffic does Oneota DR over Drainage Channel carry?

About 25 vehicles per day (2022 count).

How long is Oneota DR over Drainage Channel?

The structure is 104 ft (31.6 m) long with a longest span of 101 ft (30.8 m) and a deck 31 ft wide.

Who owns Oneota DR over Drainage Channel?

It is owned by the City or Municipal Highway Agency.