US Bridges

FM over Beaver Creek

Fair

Boone County, Iowa · 082283409 · Structure no. 000000000077261

Built
1920
105 years old, rebuilt 2007
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
104 ft
1 main span
Daily traffic
139
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Beaver Creek is a steel stringer/multi-beam or girder carrying FM over Beaver Creek in Boone County, Iowa. It was built in 1920 and reconstructed in 2007, so it is 105 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 6 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 139 vehicles a day, projected to reach 139 by 2044. The structure is 104 ft (31.7 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFM
CrossesBeaver Creek
Location082283409
RouteCounty Highway 0
StateIowa
Coordinates41.86921, -94.08785
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.7 US tons
Inventory rating53.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2022)
Projected traffic139 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FM over Beaver Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 2007.

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 139 vehicles per day (2022 count).

How long is FM over Beaver Creek?

The structure is 104 ft (31.7 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns FM over Beaver Creek?

It is owned by the County Highway Agency.