US Bridges

Floyd Line ST over Stream

FairPosted for load

Butler County, Iowa · 093160301 · Structure no. 000000000089311

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
15
2022 count
Owner
County
County Highway Agency

About this bridge

Floyd Line ST over Stream is a prestressed concrete tee beam carrying Floyd Line ST over Stream in Butler County, Iowa. It was built in 1983, so it is 42 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 15 vehicles a day, projected to reach 15 by 2044. The structure is 82 ft (25 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFloyd Line ST
CrossesStream
Location093160301
RouteCounty Highway 0
CountyButler County
StateIowa
Coordinates42.90713, -92.71837
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.6 US tons
Inventory rating10.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length82 ft (25 m)
Longest span41 ft (12.5 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2022)
Projected traffic15 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-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 statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Floyd Line ST over Stream built?

It was built in 1983, making it 42 years old in 2025.

What condition is Floyd Line ST over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Floyd Line ST over Stream carry?

About 15 vehicles per day (2022 count).

How long is Floyd Line ST over Stream?

The structure is 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 28 ft wide.

Who owns Floyd Line ST over Stream?

It is owned by the County Highway Agency.