US Bridges

FM over Berry Br

Fair

Henry County, Iowa · 071072902 · Structure no. 000000000180737

Built
1977
48 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Berry Br is a concrete continuous culvert carrying FM over Berry Br in Henry County, Iowa. It was built in 1977, so it is 48 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 5 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFM
CrossesBerry Br
Location071072902
RouteCounty Highway 0
StateIowa
Coordinates40.92142, -91.69859
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2043
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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Berry Br built?

It was built in 1977, making it 48 years old in 2025.

What condition is FM over Berry Br 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 February 2023.

How much traffic does FM over Berry Br carry?

About 60 vehicles per day (2022 count).

How long is FM over Berry Br?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns FM over Berry Br?

It is owned by the County Highway Agency.