US Bridges

FM over Cavitt Creek

Poor

Warren County, Iowa · 076240204 · Structure no. 000000000334450

Built
1967
58 years old, rebuilt 2006
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
45 ft
1 main span
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Cavitt Creek is a concrete stringer/multi-beam or girder carrying FM over Cavitt Creek in Warren County, Iowa. It was built in 1967 and reconstructed in 2006, so it is 58 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 79 vehicles a day, projected to reach 79 by 2043. The structure is 45 ft (13.7 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM
CrossesCavitt Creek
Location076240204
RouteCounty Highway 0
StateIowa
Coordinates41.42055, -93.58735
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.7 US tons
Inventory rating20.2 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$990,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Cavitt Creek built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2006.

What condition is FM over Cavitt Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does FM over Cavitt Creek carry?

About 79 vehicles per day (2022 count).

How long is FM over Cavitt Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 23 ft wide.

Who owns FM over Cavitt Creek?

It is owned by the County Highway Agency.