US Bridges

FM over Overflow-Beaver Ck

Fair

Butler County, Iowa · 090162702 · Structure no. 000000000086941

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
128 ft
3 main spans
Daily traffic
960
2021 count
Owner
County
County Highway Agency

About this bridge

FM over Overflow-Beaver Ck is a concrete continuous slab carrying FM over Overflow-Beaver Ck in Butler County, Iowa. It was built in 1994, so it is 31 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.

It carries about 960 vehicles a day, projected to reach 960 by 2043. The structure is 128 ft (39 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesOverflow-Beaver Ck
Location090162702
RouteCounty Highway 0
StateIowa
Coordinates42.57526, -92.73186
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating58.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39 m)
Longest span49 ft (14.9 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic960 (2021)
Projected traffic960 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Overflow-Beaver Ck built?

It was built in 1994, making it 31 years old in 2025.

What condition is FM over Overflow-Beaver Ck 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 2023.

How much traffic does FM over Overflow-Beaver Ck carry?

About 960 vehicles per day (2021 count).

How long is FM over Overflow-Beaver Ck?

The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.

Who owns FM over Overflow-Beaver Ck?

It is owned by the County Highway Agency.