US Bridges

FM over Beaver Creek Branch

Fair

Grundy County, Iowa · 089172702 · Structure no. 000000000166060

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
69
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Beaver Creek Branch is a concrete continuous culvert carrying FM over Beaver Creek Branch in Grundy County, Iowa. It was built in 1970, so it is 55 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 69 vehicles a day, projected to reach 69 by 2044. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFM
CrossesBeaver Creek Branch
Location089172702
RouteCounty Highway 0
CountyGrundy County
StateIowa
Coordinates42.49223, -92.84963
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 inspectionApril 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69 (2022)
Projected traffic69 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 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 Beaver Creek Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is FM over Beaver Creek Branch 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 FM over Beaver Creek Branch carry?

About 69 vehicles per day (2022 count).

How long is FM over Beaver Creek Branch?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m).

Who owns FM over Beaver Creek Branch?

It is owned by the County Highway Agency.