US Bridges

200th ST over W.Branch Floyd River

PoorPosted for load

Plymouth County, Iowa · 092462603 · Structure no. 000000000275040

Built
1960
65 years old
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
163 ft
2 main spans
Daily traffic
71
2022 count
Owner
County
County Highway Agency

About this bridge

200th ST over W.Branch Floyd River is a steel truss - thru carrying 200th ST over W.Branch Floyd River in Plymouth County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 163 ft (49.7 m) long and 20 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries200th ST
CrossesW.Branch Floyd River
Location092462603
RouteCounty Highway 0
StateIowa
Coordinates42.76434, -96.23494
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating20.4 US tons
Inventory rating12.2 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length163 ft (49.7 m)
Longest span80 ft (24.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2022)
Projected traffic71 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$620,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 200th ST over W.Branch Floyd River built?

It was built in 1960, making it 65 years old in 2025.

What condition is 200th ST over W.Branch Floyd River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does 200th ST over W.Branch Floyd River carry?

About 71 vehicles per day (2022 count).

How long is 200th ST over W.Branch Floyd River?

The structure is 163 ft (49.7 m) long with a longest span of 80 ft (24.4 m) and a deck 20 ft wide.

Who owns 200th ST over W.Branch Floyd River?

It is owned by the County Highway Agency.