US Bridges

200th ST over Dd #11

Good

Clinton County, Iowa · 082E12603 · Structure no. 000000000122982

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over Dd #11 is a prestressed concrete tee beam carrying 200th ST over Dd #11 in Clinton County, Iowa. It was built in 2004, so it is 21 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 11 vehicles a day, projected to reach 11 by 2044. The structure is 66 ft (20.1 m) long and 30 ft wide.

Location

Open in Google Maps
Carries200th ST
CrossesDd #11
Location082E12603
RouteCounty Highway 0
CountyClinton County
StateIowa
Coordinates41.8837, -90.811
Functional classRural Local

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.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 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

OwnerCounty Highway Agency
Maintained byCounty 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 200th ST over Dd #11 built?

It was built in 2004, making it 21 years old in 2025.

What condition is 200th ST over Dd #11 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 2024.

How much traffic does 200th ST over Dd #11 carry?

About 11 vehicles per day (2022 count).

How long is 200th ST over Dd #11?

The structure is 66 ft (20.1 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns 200th ST over Dd #11?

It is owned by the County Highway Agency.