US Bridges

440th over Beaver Creek

Good

Mitchell County, Iowa · 0.25 MI W of Timber Ave · Structure no. 000000000248281

Built
2016
9 years old
Condition
Good
inspected December 2023
Type
Culvert
Steel
Length
29 ft
3 main spans
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

440th over Beaver Creek is a steel culvert carrying 440th over Beaver Creek in Mitchell County, Iowa. It was built in 2016, so it is 9 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries440th
CrossesBeaver Creek
Location0.25 MI W of Timber Ave
RouteCounty Highway 0
StateIowa
Coordinates43.40011, -92.64866
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 440th over Beaver Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is 440th over Beaver Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does 440th over Beaver Creek carry?

About 11 vehicles per day (2022 count).

How long is 440th over Beaver Creek?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns 440th over Beaver Creek?

It is owned by the County Highway Agency.