US Bridges

Local over Branch Iowa River

Fair

Poweshiek County, Iowa · 081140301 · Structure no. 000000000294280

Built
1951
74 years old, rebuilt 2021
Condition
Fair
inspected September 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Branch Iowa River is a steel stringer/multi-beam or girder carrying Local over Branch Iowa River in Poweshiek County, Iowa. It was built in 1951 and reconstructed in 2021, so it is 74 years old, older 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, projected to reach 50 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesLocal
CrossesBranch Iowa River
Location081140301
RouteCounty Highway 0
CountyPoweshiek County
StateIowa
Coordinates41.86244, -92.46793
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating32.7 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span29 ft (8.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic50 by 2043
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 statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Branch Iowa River built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2021.

What condition is Local over Branch Iowa River 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 September 2022.

How much traffic does Local over Branch Iowa River carry?

About 50 vehicles per day (2022 count).

How long is Local over Branch Iowa River?

The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 24 ft wide.

Who owns Local over Branch Iowa River?

It is owned by the County Highway Agency.