US Bridges

130th ST over W Br Floyd River

PoorPosted for load

Plymouth County, Iowa · 093451901 · Structure no. 000000000276680

Built
1900
125 years old, rebuilt 1961
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
92 ft
1 main span
Daily traffic
20
2022 count
Owner
County
County Highway Agency

About this bridge

130th ST over W Br Floyd River is a steel truss - thru carrying 130th ST over W Br Floyd River in Plymouth County, Iowa. It was built in 1900 and reconstructed in 1961, so it is 125 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 92 ft (28 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries130th ST
CrossesW Br Floyd River
Location093451901
RouteCounty Highway 0
StateIowa
Coordinates42.86592, -96.19768
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.1 US tons
Inventory rating8.9 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length92 ft (28 m)
Longest span92 ft (28 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deck10 ft (3.2 m)

Traffic and service

Average daily traffic20 (2022)
Projected traffic20 by 2044
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 130th ST over W Br Floyd River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1961.

What condition is 130th ST over W Br 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 June 2024.

How much traffic does 130th ST over W Br Floyd River carry?

About 20 vehicles per day (2022 count).

How long is 130th ST over W Br Floyd River?

The structure is 92 ft (28 m) long with a longest span of 92 ft (28 m) and a deck 16 ft wide.

Who owns 130th ST over W Br Floyd River?

It is owned by the County Highway Agency.