US Bridges

FM (50th St) over N Beaver Creek

Fair

Franklin County, Iowa · 090192201 · Structure no. 000000000156331

Built
1972
53 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
77 ft
3 main spans
Daily traffic
34
2022 count
Owner
County
County Highway Agency

About this bridge

FM (50th St) over N Beaver Creek is a concrete continuous slab carrying FM (50th St) over N Beaver Creek in Franklin County, Iowa. It was built in 1972, so it is 53 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 34 vehicles a day, projected to reach 34 by 2043. The structure is 77 ft (23.5 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesFM (50th St)
CrossesN Beaver Creek
Location090192201
RouteCounty Highway 0
CountyFranklin County
StateIowa
Coordinates42.60034, -93.07361
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
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 rating40.8 US tons
Inventory rating24.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length77 ft (23.5 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2022)
Projected traffic34 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 (50th St) over N Beaver Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is FM (50th St) over N 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 2023.

How much traffic does FM (50th St) over N Beaver Creek carry?

About 34 vehicles per day (2022 count).

How long is FM (50th St) over N Beaver Creek?

The structure is 77 ft (23.5 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns FM (50th St) over N Beaver Creek?

It is owned by the County Highway Agency.