US Bridges

FM over Beaver Creek

Fair

Boone County, Iowa · 083281604 · Structure no. 000000000077510

Built
1973
52 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
125 ft
3 main spans
Daily traffic
219
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Beaver Creek is a concrete continuous slab carrying FM over Beaver Creek in Boone County, Iowa. It was built in 1973, so it is 52 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 219 vehicles a day, roughly 11% of them trucks, projected to reach 219 by 2044. The structure is 125 ft (38.1 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesFM
CrossesBeaver Creek
Location083281604
RouteCounty Highway 0
StateIowa
Coordinates41.99593, -94.12551
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length125 ft (38.1 m)
Longest span49 ft (14.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic219 (2022)
Projected traffic219 by 2044
Trucks11%
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 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 Beaver Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is FM over Beaver Creek 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 May 2024.

How much traffic does FM over Beaver Creek carry?

About 219 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is FM over Beaver Creek?

The structure is 125 ft (38.1 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.

Who owns FM over Beaver Creek?

It is owned by the County Highway Agency.