US Bridges

FM over Ovflw Wapsipinicon Rvr

Fair

Buchanan County, Iowa · 089100909 · Structure no. 000000000083110

Built
1968
57 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
687
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Ovflw Wapsipinicon Rvr is a concrete continuous slab carrying FM over Ovflw Wapsipinicon Rvr in Buchanan County, Iowa. It was built in 1968, so it is 57 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 687 vehicles a day, roughly 18% of them trucks, projected to reach 687 by 2044. The structure is 102 ft (31.1 m) long and 34 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesFM
CrossesOvflw Wapsipinicon Rvr
Location089100909
RouteCounty Highway 0
CountyBuchanan County
StateIowa
Coordinates42.53332, -92.02876
Functional classRural Major 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.
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 inspectionJanuary 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.2 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length102 ft (31.1 m)
Longest span39 ft (11.9 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic687 (2022)
Projected traffic687 by 2044
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Ovflw Wapsipinicon Rvr built?

It was built in 1968, making it 57 years old in 2025.

What condition is FM over Ovflw Wapsipinicon Rvr 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 January 2024.

How much traffic does FM over Ovflw Wapsipinicon Rvr carry?

About 687 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is FM over Ovflw Wapsipinicon Rvr?

The structure is 102 ft (31.1 m) long with a longest span of 39 ft (11.9 m) and a deck 34 ft wide.

Who owns FM over Ovflw Wapsipinicon Rvr?

It is owned by the County Highway Agency.