US Bridges

FM over Beaver Creek

Fair

Dallas County, Iowa · 081262904 · Structure no. 000000000132341

Built
1971
54 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
206 ft
3 main spans
Daily traffic
490
2022 count
Owner
County
County Highway Agency

About this bridge

FM over Beaver Creek is a steel continuous stringer/multi-beam or girder carrying FM over Beaver Creek in Dallas County, Iowa. It was built in 1971, so it is 54 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 490 vehicles a day, roughly 7% of them trucks, projected to reach 490 by 2042. The structure is 206 ft (62.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesFM
CrossesBeaver Creek
Location081262904
RouteCounty Highway 0
StateIowa
Coordinates41.79677, -93.91211
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2022
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.8 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length206 ft (62.8 m)
Longest span78 ft (23.8 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2022)
Projected traffic490 by 2042
Trucks7%
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 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 1971, making it 54 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 November 2022.

How much traffic does FM over Beaver Creek carry?

About 490 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is FM over Beaver Creek?

The structure is 206 ft (62.8 m) long with a longest span of 78 ft (23.8 m) and a deck 32 ft wide.

Who owns FM over Beaver Creek?

It is owned by the County Highway Agency.