US Bridges

200th Ave over Dd

Good

Clinton County, Iowa · 082E22602 · Structure no. 000000000123322

Built
2017
8 years old
Condition
Good
inspected February 2021
Type
Stringer/Multi-beam or Girder
Other
Length
26 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

200th Ave over Dd is a other stringer/multi-beam or girder carrying 200th Ave over Dd in Clinton County, Iowa. It was built in 2017, so it is 8 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 26 ft (7.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
Carries200th Ave
CrossesDd
Location082E22602
RouteCounty Highway 0
CountyClinton County
StateIowa
Coordinates41.88714, -90.70404
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialOther
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length26 ft (7.8 m)
Longest span24 ft (7.3 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 200th Ave over Dd built?

It was built in 2017, making it 8 years old in 2025.

What condition is 200th Ave over Dd 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 February 2021.

How much traffic does 200th Ave over Dd carry?

About 60 vehicles per day (2022 count).

How long is 200th Ave over Dd?

The structure is 26 ft (7.8 m) long with a longest span of 24 ft (7.3 m) and a deck 30 ft wide.

Who owns 200th Ave over Dd?

It is owned by the County Highway Agency.